Home / 8,821.27-12,174.60-5,045.23

Finding the Fourth Proportional to 8,821.27, 12,174.60 and 5,045.23

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Solution

The fourth proportional to 8,821.27, 12,174.60 and 5,045.23 is: 6,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.27 : 12,174.60 = 5,045.23 : x
  2. Step 2: Convert to fraction form
    8,821.27/12,174.60 = 5,045.23/x
  3. Step 3: Cross multiply
    8,821.27x = 12,174.60 × 5,045.23
  4. Step 4: Simplify right side
    8,821.27x = 61,423,657.16
  5. Step 5: Solve for x
    x = 61,423,657.16/8,821.27
  6. Step 6: Final answer
    x = 6,963.13

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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.