Home / 9,043.20-12,476.27-6,916.55

Finding the Fourth Proportional to 9,043.20, 12,476.27 and 6,916.55

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Solution

The fourth proportional to 9,043.20, 12,476.27 and 6,916.55 is: 9,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.20 : 12,476.27 = 6,916.55 : x
  2. Step 2: Convert to fraction form
    9,043.20/12,476.27 = 6,916.55/x
  3. Step 3: Cross multiply
    9,043.20x = 12,476.27 × 6,916.55
  4. Step 4: Simplify right side
    9,043.20x = 86,292,648.30
  5. Step 5: Solve for x
    x = 86,292,648.30/9,043.20
  6. Step 6: Final answer
    x = 9,542.27

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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.