Home / 10,047.18-13,864.90-5,570.85

Finding the Fourth Proportional to 10,047.18, 13,864.90 and 5,570.85

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Solution

The fourth proportional to 10,047.18, 13,864.90 and 5,570.85 is: 7,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.18 : 13,864.90 = 5,570.85 : x
  2. Step 2: Convert to fraction form
    10,047.18/13,864.90 = 5,570.85/x
  3. Step 3: Cross multiply
    10,047.18x = 13,864.90 × 5,570.85
  4. Step 4: Simplify right side
    10,047.18x = 77,239,278.17
  5. Step 5: Solve for x
    x = 77,239,278.17/10,047.18
  6. Step 6: Final answer
    x = 7,687.66

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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.