Home / 9,248.42-12,763.90-5,270.20

Finding the Fourth Proportional to 9,248.42, 12,763.90 and 5,270.20

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Solution

The fourth proportional to 9,248.42, 12,763.90 and 5,270.20 is: 7,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248.42 : 12,763.90 = 5,270.20 : x
  2. Step 2: Convert to fraction form
    9,248.42/12,763.90 = 5,270.20/x
  3. Step 3: Cross multiply
    9,248.42x = 12,763.90 × 5,270.20
  4. Step 4: Simplify right side
    9,248.42x = 67,268,305.78
  5. Step 5: Solve for x
    x = 67,268,305.78/9,248.42
  6. Step 6: Final answer
    x = 7,273.49

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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.