Home / 9,102.22-12,560.37-5,122.58

Finding the Fourth Proportional to 9,102.22, 12,560.37 and 5,122.58

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Solution

The fourth proportional to 9,102.22, 12,560.37 and 5,122.58 is: 7,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.22 : 12,560.37 = 5,122.58 : x
  2. Step 2: Convert to fraction form
    9,102.22/12,560.37 = 5,122.58/x
  3. Step 3: Cross multiply
    9,102.22x = 12,560.37 × 5,122.58
  4. Step 4: Simplify right side
    9,102.22x = 64,341,500.15
  5. Step 5: Solve for x
    x = 64,341,500.15/9,102.22
  6. Step 6: Final answer
    x = 7,068.77

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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.