Home / 10,424.13-14,385.29-5,708.42

Finding the Fourth Proportional to 10,424.13, 14,385.29 and 5,708.42

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Solution

The fourth proportional to 10,424.13, 14,385.29 and 5,708.42 is: 7,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.13 : 14,385.29 = 5,708.42 : x
  2. Step 2: Convert to fraction form
    10,424.13/14,385.29 = 5,708.42/x
  3. Step 3: Cross multiply
    10,424.13x = 14,385.29 × 5,708.42
  4. Step 4: Simplify right side
    10,424.13x = 82,117,277.14
  5. Step 5: Solve for x
    x = 82,117,277.14/10,424.13
  6. Step 6: Final answer
    x = 7,877.61

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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.