Home / 9,711.80-13,402.14-5,462.54

Finding the Fourth Proportional to 9,711.80, 13,402.14 and 5,462.54

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Solution

The fourth proportional to 9,711.80, 13,402.14 and 5,462.54 is: 7,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.80 : 13,402.14 = 5,462.54 : x
  2. Step 2: Convert to fraction form
    9,711.80/13,402.14 = 5,462.54/x
  3. Step 3: Cross multiply
    9,711.80x = 13,402.14 × 5,462.54
  4. Step 4: Simplify right side
    9,711.80x = 73,209,658.82
  5. Step 5: Solve for x
    x = 73,209,658.82/9,711.80
  6. Step 6: Final answer
    x = 7,538.22

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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.