Home / 10,424.56-14,385.36-5,708.56

Finding the Fourth Proportional to 10,424.56, 14,385.36 and 5,708.56

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Solution

The fourth proportional to 10,424.56, 14,385.36 and 5,708.56 is: 7,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.56 : 14,385.36 = 5,708.56 : x
  2. Step 2: Convert to fraction form
    10,424.56/14,385.36 = 5,708.56/x
  3. Step 3: Cross multiply
    10,424.56x = 14,385.36 × 5,708.56
  4. Step 4: Simplify right side
    10,424.56x = 82,119,690.68
  5. Step 5: Solve for x
    x = 82,119,690.68/10,424.56
  6. Step 6: Final answer
    x = 7,877.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.