Home / 11,293.60-15,585.12-6,258.64

Finding the Fourth Proportional to 11,293.60, 15,585.12 and 6,258.64

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Solution

The fourth proportional to 11,293.60, 15,585.12 and 6,258.64 is: 8,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.60 : 15,585.12 = 6,258.64 : x
  2. Step 2: Convert to fraction form
    11,293.60/15,585.12 = 6,258.64/x
  3. Step 3: Cross multiply
    11,293.60x = 15,585.12 × 6,258.64
  4. Step 4: Simplify right side
    11,293.60x = 97,541,655.44
  5. Step 5: Solve for x
    x = 97,541,655.44/11,293.60
  6. Step 6: Final answer
    x = 8,636.90

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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.