Home / 7,917.06-10,925.46-4,380.12

Finding the Fourth Proportional to 7,917.06, 10,925.46 and 4,380.12

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Solution

The fourth proportional to 7,917.06, 10,925.46 and 4,380.12 is: 6,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.06 : 10,925.46 = 4,380.12 : x
  2. Step 2: Convert to fraction form
    7,917.06/10,925.46 = 4,380.12/x
  3. Step 3: Cross multiply
    7,917.06x = 10,925.46 × 4,380.12
  4. Step 4: Simplify right side
    7,917.06x = 47,854,825.86
  5. Step 5: Solve for x
    x = 47,854,825.86/7,917.06
  6. Step 6: Final answer
    x = 6,044.52

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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.