Home / 9,979.26-14,888.24-8,982.87

Finding the Fourth Proportional to 9,979.26, 14,888.24 and 8,982.87

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Solution

The fourth proportional to 9,979.26, 14,888.24 and 8,982.87 is: 13,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.26 : 14,888.24 = 8,982.87 : x
  2. Step 2: Convert to fraction form
    9,979.26/14,888.24 = 8,982.87/x
  3. Step 3: Cross multiply
    9,979.26x = 14,888.24 × 8,982.87
  4. Step 4: Simplify right side
    9,979.26x = 133,739,079.53
  5. Step 5: Solve for x
    x = 133,739,079.53/9,979.26
  6. Step 6: Final answer
    x = 13,401.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.