Home / 9,756.47-13,463.92-5,280.22

Finding the Fourth Proportional to 9,756.47, 13,463.92 and 5,280.22

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Solution

The fourth proportional to 9,756.47, 13,463.92 and 5,280.22 is: 7,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.47 : 13,463.92 = 5,280.22 : x
  2. Step 2: Convert to fraction form
    9,756.47/13,463.92 = 5,280.22/x
  3. Step 3: Cross multiply
    9,756.47x = 13,463.92 × 5,280.22
  4. Step 4: Simplify right side
    9,756.47x = 71,092,392.34
  5. Step 5: Solve for x
    x = 71,092,392.34/9,756.47
  6. Step 6: Final answer
    x = 7,286.70

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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.