Home / 11,612.65-16,025.45-6,307.47

Finding the Fourth Proportional to 11,612.65, 16,025.45 and 6,307.47

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Solution

The fourth proportional to 11,612.65, 16,025.45 and 6,307.47 is: 8,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.65 : 16,025.45 = 6,307.47 : x
  2. Step 2: Convert to fraction form
    11,612.65/16,025.45 = 6,307.47/x
  3. Step 3: Cross multiply
    11,612.65x = 16,025.45 × 6,307.47
  4. Step 4: Simplify right side
    11,612.65x = 101,080,013.57
  5. Step 5: Solve for x
    x = 101,080,013.57/11,612.65
  6. Step 6: Final answer
    x = 8,704.30

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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.