Home / 9,158.24-12,638.48-4,966.56

Finding the Fourth Proportional to 9,158.24, 12,638.48 and 4,966.56

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Solution

The fourth proportional to 9,158.24, 12,638.48 and 4,966.56 is: 6,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.24 : 12,638.48 = 4,966.56 : x
  2. Step 2: Convert to fraction form
    9,158.24/12,638.48 = 4,966.56/x
  3. Step 3: Cross multiply
    9,158.24x = 12,638.48 × 4,966.56
  4. Step 4: Simplify right side
    9,158.24x = 62,769,769.23
  5. Step 5: Solve for x
    x = 62,769,769.23/9,158.24
  6. Step 6: Final answer
    x = 6,853.91

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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.