Home / 11,038.77-15,225.78-7,260.73

Finding the Fourth Proportional to 11,038.77, 15,225.78 and 7,260.73

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Solution

The fourth proportional to 11,038.77, 15,225.78 and 7,260.73 is: 10,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.77 : 15,225.78 = 7,260.73 : x
  2. Step 2: Convert to fraction form
    11,038.77/15,225.78 = 7,260.73/x
  3. Step 3: Cross multiply
    11,038.77x = 15,225.78 × 7,260.73
  4. Step 4: Simplify right side
    11,038.77x = 110,550,232.61
  5. Step 5: Solve for x
    x = 110,550,232.61/11,038.77
  6. Step 6: Final answer
    x = 10,014.73

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Half scale
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Double scale
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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.