Home / 9,278.11-13,916.98-2,258.17

Finding the Fourth Proportional to 9,278.11, 13,916.98 and 2,258.17

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Solution

The fourth proportional to 9,278.11, 13,916.98 and 2,258.17 is: 3,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.11 : 13,916.98 = 2,258.17 : x
  2. Step 2: Convert to fraction form
    9,278.11/13,916.98 = 2,258.17/x
  3. Step 3: Cross multiply
    9,278.11x = 13,916.98 × 2,258.17
  4. Step 4: Simplify right side
    9,278.11x = 31,426,848.93
  5. Step 5: Solve for x
    x = 31,426,848.93/9,278.11
  6. Step 6: Final answer
    x = 3,387.20

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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.