Home / 10,061.80-15,033.14-9,717.28

Finding the Fourth Proportional to 10,061.80, 15,033.14 and 9,717.28

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Solution

The fourth proportional to 10,061.80, 15,033.14 and 9,717.28 is: 14,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.80 : 15,033.14 = 9,717.28 : x
  2. Step 2: Convert to fraction form
    10,061.80/15,033.14 = 9,717.28/x
  3. Step 3: Cross multiply
    10,061.80x = 15,033.14 × 9,717.28
  4. Step 4: Simplify right side
    10,061.80x = 146,081,230.66
  5. Step 5: Solve for x
    x = 146,081,230.66/10,061.80
  6. Step 6: Final answer
    x = 14,518.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.