Home / 10,357.35-14,366.37-9,983.75

Finding the Fourth Proportional to 10,357.35, 14,366.37 and 9,983.75

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Solution

The fourth proportional to 10,357.35, 14,366.37 and 9,983.75 is: 13,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.35 : 14,366.37 = 9,983.75 : x
  2. Step 2: Convert to fraction form
    10,357.35/14,366.37 = 9,983.75/x
  3. Step 3: Cross multiply
    10,357.35x = 14,366.37 × 9,983.75
  4. Step 4: Simplify right side
    10,357.35x = 143,430,174.66
  5. Step 5: Solve for x
    x = 143,430,174.66/10,357.35
  6. Step 6: Final answer
    x = 13,848.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.