Home / 9,225.72-12,734.22-6,432.12

Finding the Fourth Proportional to 9,225.72, 12,734.22 and 6,432.12

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Solution

The fourth proportional to 9,225.72, 12,734.22 and 6,432.12 is: 8,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.72 : 12,734.22 = 6,432.12 : x
  2. Step 2: Convert to fraction form
    9,225.72/12,734.22 = 6,432.12/x
  3. Step 3: Cross multiply
    9,225.72x = 12,734.22 × 6,432.12
  4. Step 4: Simplify right side
    9,225.72x = 81,908,031.15
  5. Step 5: Solve for x
    x = 81,908,031.15/9,225.72
  6. Step 6: Final answer
    x = 8,878.23

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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.