Home / 7,917.22-10,925.75-4,380.43

Finding the Fourth Proportional to 7,917.22, 10,925.75 and 4,380.43

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Solution

The fourth proportional to 7,917.22, 10,925.75 and 4,380.43 is: 6,044.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.22 : 10,925.75 = 4,380.43 : x
  2. Step 2: Convert to fraction form
    7,917.22/10,925.75 = 4,380.43/x
  3. Step 3: Cross multiply
    7,917.22x = 10,925.75 × 4,380.43
  4. Step 4: Simplify right side
    7,917.22x = 47,859,466.71
  5. Step 5: Solve for x
    x = 47,859,466.71/7,917.22
  6. Step 6: Final answer
    x = 6,044.99

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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.