Home / 10,293.12-15,442.56-4,445.76

Finding the Fourth Proportional to 10,293.12, 15,442.56 and 4,445.76

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Solution

The fourth proportional to 10,293.12, 15,442.56 and 4,445.76 is: 6,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.12 : 15,442.56 = 4,445.76 : x
  2. Step 2: Convert to fraction form
    10,293.12/15,442.56 = 4,445.76/x
  3. Step 3: Cross multiply
    10,293.12x = 15,442.56 × 4,445.76
  4. Step 4: Simplify right side
    10,293.12x = 68,653,915.55
  5. Step 5: Solve for x
    x = 68,653,915.55/10,293.12
  6. Step 6: Final answer
    x = 6,669.88

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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.