Home / 11,612.20-16,024.88-6,307.10

Finding the Fourth Proportional to 11,612.20, 16,024.88 and 6,307.10

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Solution

The fourth proportional to 11,612.20, 16,024.88 and 6,307.10 is: 8,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.20 : 16,024.88 = 6,307.10 : x
  2. Step 2: Convert to fraction form
    11,612.20/16,024.88 = 6,307.10/x
  3. Step 3: Cross multiply
    11,612.20x = 16,024.88 × 6,307.10
  4. Step 4: Simplify right side
    11,612.20x = 101,070,520.65
  5. Step 5: Solve for x
    x = 101,070,520.65/11,612.20
  6. Step 6: Final answer
    x = 8,703.82

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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.