Home / 9,258.13-12,776.57-5,279.14

Finding the Fourth Proportional to 9,258.13, 12,776.57 and 5,279.14

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Solution

The fourth proportional to 9,258.13, 12,776.57 and 5,279.14 is: 7,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.13 : 12,776.57 = 5,279.14 : x
  2. Step 2: Convert to fraction form
    9,258.13/12,776.57 = 5,279.14/x
  3. Step 3: Cross multiply
    9,258.13x = 12,776.57 × 5,279.14
  4. Step 4: Simplify right side
    9,258.13x = 67,449,301.75
  5. Step 5: Solve for x
    x = 67,449,301.75/9,258.13
  6. Step 6: Final answer
    x = 7,285.41

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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.