Home / 10,354.60-15,531.90-7,568.20

Finding the Fourth Proportional to 10,354.60, 15,531.90 and 7,568.20

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Solution

The fourth proportional to 10,354.60, 15,531.90 and 7,568.20 is: 11,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.60 : 15,531.90 = 7,568.20 : x
  2. Step 2: Convert to fraction form
    10,354.60/15,531.90 = 7,568.20/x
  3. Step 3: Cross multiply
    10,354.60x = 15,531.90 × 7,568.20
  4. Step 4: Simplify right side
    10,354.60x = 117,548,525.58
  5. Step 5: Solve for x
    x = 117,548,525.58/10,354.60
  6. Step 6: Final answer
    x = 11,352.30

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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.