Home / 13,303.67-18,360.34-7,998.37

Finding the Fourth Proportional to 13,303.67, 18,360.34 and 7,998.37

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Solution

The fourth proportional to 13,303.67, 18,360.34 and 7,998.37 is: 11,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.67 : 18,360.34 = 7,998.37 : x
  2. Step 2: Convert to fraction form
    13,303.67/18,360.34 = 7,998.37/x
  3. Step 3: Cross multiply
    13,303.67x = 18,360.34 × 7,998.37
  4. Step 4: Simplify right side
    13,303.67x = 146,852,726.75
  5. Step 5: Solve for x
    x = 146,852,726.75/13,303.67
  6. Step 6: Final answer
    x = 11,038.52

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.