Home / 8,541.10-12,818.13-5,761.18

Finding the Fourth Proportional to 8,541.10, 12,818.13 and 5,761.18

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Solution

The fourth proportional to 8,541.10, 12,818.13 and 5,761.18 is: 8,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.10 : 12,818.13 = 5,761.18 : x
  2. Step 2: Convert to fraction form
    8,541.10/12,818.13 = 5,761.18/x
  3. Step 3: Cross multiply
    8,541.10x = 12,818.13 × 5,761.18
  4. Step 4: Simplify right side
    8,541.10x = 73,847,554.19
  5. Step 5: Solve for x
    x = 73,847,554.19/8,541.10
  6. Step 6: Final answer
    x = 8,646.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.