Home / 9,052.20-12,478.64-6,354.88

Finding the Fourth Proportional to 9,052.20, 12,478.64 and 6,354.88

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Solution

The fourth proportional to 9,052.20, 12,478.64 and 6,354.88 is: 8,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,052.20 : 12,478.64 = 6,354.88 : x
  2. Step 2: Convert to fraction form
    9,052.20/12,478.64 = 6,354.88/x
  3. Step 3: Cross multiply
    9,052.20x = 12,478.64 × 6,354.88
  4. Step 4: Simplify right side
    9,052.20x = 79,300,259.76
  5. Step 5: Solve for x
    x = 79,300,259.76/9,052.20
  6. Step 6: Final answer
    x = 8,760.33

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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.