Home / 10,385.73-14,332.38-5,670.12

Finding the Fourth Proportional to 10,385.73, 14,332.38 and 5,670.12

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Solution

The fourth proportional to 10,385.73, 14,332.38 and 5,670.12 is: 7,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.73 : 14,332.38 = 5,670.12 : x
  2. Step 2: Convert to fraction form
    10,385.73/14,332.38 = 5,670.12/x
  3. Step 3: Cross multiply
    10,385.73x = 14,332.38 × 5,670.12
  4. Step 4: Simplify right side
    10,385.73x = 81,266,314.49
  5. Step 5: Solve for x
    x = 81,266,314.49/10,385.73
  6. Step 6: Final answer
    x = 7,824.81

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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.