Home / 9,113.60-13,672.23-2,874.58

Finding the Fourth Proportional to 9,113.60, 13,672.23 and 2,874.58

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Solution

The fourth proportional to 9,113.60, 13,672.23 and 2,874.58 is: 4,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.60 : 13,672.23 = 2,874.58 : x
  2. Step 2: Convert to fraction form
    9,113.60/13,672.23 = 2,874.58/x
  3. Step 3: Cross multiply
    9,113.60x = 13,672.23 × 2,874.58
  4. Step 4: Simplify right side
    9,113.60x = 39,301,873.95
  5. Step 5: Solve for x
    x = 39,301,873.95/9,113.60
  6. Step 6: Final answer
    x = 4,312.44

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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.