Home / 11,342.31-15,653.10-6,307.66

Finding the Fourth Proportional to 11,342.31, 15,653.10 and 6,307.66

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Solution

The fourth proportional to 11,342.31, 15,653.10 and 6,307.66 is: 8,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.31 : 15,653.10 = 6,307.66 : x
  2. Step 2: Convert to fraction form
    11,342.31/15,653.10 = 6,307.66/x
  3. Step 3: Cross multiply
    11,342.31x = 15,653.10 × 6,307.66
  4. Step 4: Simplify right side
    11,342.31x = 98,734,432.75
  5. Step 5: Solve for x
    x = 98,734,432.75/11,342.31
  6. Step 6: Final answer
    x = 8,704.97

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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.