Home / 7,248.40-10,872.12-2,054.80

Finding the Fourth Proportional to 7,248.40, 10,872.12 and 2,054.80

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Solution

The fourth proportional to 7,248.40, 10,872.12 and 2,054.80 is: 3,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.40 : 10,872.12 = 2,054.80 : x
  2. Step 2: Convert to fraction form
    7,248.40/10,872.12 = 2,054.80/x
  3. Step 3: Cross multiply
    7,248.40x = 10,872.12 × 2,054.80
  4. Step 4: Simplify right side
    7,248.40x = 22,340,032.18
  5. Step 5: Solve for x
    x = 22,340,032.18/7,248.40
  6. Step 6: Final answer
    x = 3,082.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.