Home / 12,572.29-17,349.28-6,983.65

Finding the Fourth Proportional to 12,572.29, 17,349.28 and 6,983.65

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Solution

The fourth proportional to 12,572.29, 17,349.28 and 6,983.65 is: 9,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.29 : 17,349.28 = 6,983.65 : x
  2. Step 2: Convert to fraction form
    12,572.29/17,349.28 = 6,983.65/x
  3. Step 3: Cross multiply
    12,572.29x = 17,349.28 × 6,983.65
  4. Step 4: Simplify right side
    12,572.29x = 121,161,299.27
  5. Step 5: Solve for x
    x = 121,161,299.27/12,572.29
  6. Step 6: Final answer
    x = 9,637.17

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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.