Home / 8,757.24-12,082.93-4,979.53

Finding the Fourth Proportional to 8,757.24, 12,082.93 and 4,979.53

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Solution

The fourth proportional to 8,757.24, 12,082.93 and 4,979.53 is: 6,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.24 : 12,082.93 = 4,979.53 : x
  2. Step 2: Convert to fraction form
    8,757.24/12,082.93 = 4,979.53/x
  3. Step 3: Cross multiply
    8,757.24x = 12,082.93 × 4,979.53
  4. Step 4: Simplify right side
    8,757.24x = 60,167,312.42
  5. Step 5: Solve for x
    x = 60,167,312.42/8,757.24
  6. Step 6: Final answer
    x = 6,870.58

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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.