Home / 10,385.70-14,332.56-5,670.28

Finding the Fourth Proportional to 10,385.70, 14,332.56 and 5,670.28

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Solution

The fourth proportional to 10,385.70, 14,332.56 and 5,670.28 is: 7,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.70 : 14,332.56 = 5,670.28 : x
  2. Step 2: Convert to fraction form
    10,385.70/14,332.56 = 5,670.28/x
  3. Step 3: Cross multiply
    10,385.70x = 14,332.56 × 5,670.28
  4. Step 4: Simplify right side
    10,385.70x = 81,269,628.32
  5. Step 5: Solve for x
    x = 81,269,628.32/10,385.70
  6. Step 6: Final answer
    x = 7,825.15

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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.