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Finding the Fourth Proportional to 8,886.24, 12,258 and 5,347.62

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Solution

The fourth proportional to 8,886.24, 12,258 and 5,347.62 is: 7,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.24 : 12,258 = 5,347.62 : x
  2. Step 2: Convert to fraction form
    8,886.24/12,258 = 5,347.62/x
  3. Step 3: Cross multiply
    8,886.24x = 12,258 × 5,347.62
  4. Step 4: Simplify right side
    8,886.24x = 65,551,125.96
  5. Step 5: Solve for x
    x = 65,551,125.96/8,886.24
  6. Step 6: Final answer
    x = 7,376.70

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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.