Home / 10,186.38-14,057.08-5,710.14

Finding the Fourth Proportional to 10,186.38, 14,057.08 and 5,710.14

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Solution

The fourth proportional to 10,186.38, 14,057.08 and 5,710.14 is: 7,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.38 : 14,057.08 = 5,710.14 : x
  2. Step 2: Convert to fraction form
    10,186.38/14,057.08 = 5,710.14/x
  3. Step 3: Cross multiply
    10,186.38x = 14,057.08 × 5,710.14
  4. Step 4: Simplify right side
    10,186.38x = 80,267,894.79
  5. Step 5: Solve for x
    x = 80,267,894.79/10,186.38
  6. Step 6: Final answer
    x = 7,879.92

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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.