Home / 10,424.28-14,385.62-5,708.44

Finding the Fourth Proportional to 10,424.28, 14,385.62 and 5,708.44

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Solution

The fourth proportional to 10,424.28, 14,385.62 and 5,708.44 is: 7,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.28 : 14,385.62 = 5,708.44 : x
  2. Step 2: Convert to fraction form
    10,424.28/14,385.62 = 5,708.44/x
  3. Step 3: Cross multiply
    10,424.28x = 14,385.62 × 5,708.44
  4. Step 4: Simplify right side
    10,424.28x = 82,119,448.63
  5. Step 5: Solve for x
    x = 82,119,448.63/10,424.28
  6. Step 6: Final answer
    x = 7,877.71

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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.