Home / 9,701.13-13,387.85-5,725.65

Finding the Fourth Proportional to 9,701.13, 13,387.85 and 5,725.65

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Solution

The fourth proportional to 9,701.13, 13,387.85 and 5,725.65 is: 7,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,701.13 : 13,387.85 = 5,725.65 : x
  2. Step 2: Convert to fraction form
    9,701.13/13,387.85 = 5,725.65/x
  3. Step 3: Cross multiply
    9,701.13x = 13,387.85 × 5,725.65
  4. Step 4: Simplify right side
    9,701.13x = 76,654,143.35
  5. Step 5: Solve for x
    x = 76,654,143.35/9,701.13
  6. Step 6: Final answer
    x = 7,901.57

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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.