Home / 11,140.44-15,374.12-6,425.04

Finding the Fourth Proportional to 11,140.44, 15,374.12 and 6,425.04

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Solution

The fourth proportional to 11,140.44, 15,374.12 and 6,425.04 is: 8,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.44 : 15,374.12 = 6,425.04 : x
  2. Step 2: Convert to fraction form
    11,140.44/15,374.12 = 6,425.04/x
  3. Step 3: Cross multiply
    11,140.44x = 15,374.12 × 6,425.04
  4. Step 4: Simplify right side
    11,140.44x = 98,779,335.96
  5. Step 5: Solve for x
    x = 98,779,335.96/11,140.44
  6. Step 6: Final answer
    x = 8,866.74

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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.