Home / 9,276.06-13,915.26-3,432.72

Finding the Fourth Proportional to 9,276.06, 13,915.26 and 3,432.72

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Solution

The fourth proportional to 9,276.06, 13,915.26 and 3,432.72 is: 5,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.06 : 13,915.26 = 3,432.72 : x
  2. Step 2: Convert to fraction form
    9,276.06/13,915.26 = 3,432.72/x
  3. Step 3: Cross multiply
    9,276.06x = 13,915.26 × 3,432.72
  4. Step 4: Simplify right side
    9,276.06x = 47,767,191.31
  5. Step 5: Solve for x
    x = 47,767,191.31/9,276.06
  6. Step 6: Final answer
    x = 5,149.51

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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.