Home / 9,756.38-13,463.84-5,280.13

Finding the Fourth Proportional to 9,756.38, 13,463.84 and 5,280.13

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Solution

The fourth proportional to 9,756.38, 13,463.84 and 5,280.13 is: 7,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.38 : 13,463.84 = 5,280.13 : x
  2. Step 2: Convert to fraction form
    9,756.38/13,463.84 = 5,280.13/x
  3. Step 3: Cross multiply
    9,756.38x = 13,463.84 × 5,280.13
  4. Step 4: Simplify right side
    9,756.38x = 71,090,855.53
  5. Step 5: Solve for x
    x = 71,090,855.53/9,756.38
  6. Step 6: Final answer
    x = 7,286.60

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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.