Home / 7,402.47-11,106.18-4,625.79

Finding the Fourth Proportional to 7,402.47, 11,106.18 and 4,625.79

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Solution

The fourth proportional to 7,402.47, 11,106.18 and 4,625.79 is: 6,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.47 : 11,106.18 = 4,625.79 : x
  2. Step 2: Convert to fraction form
    7,402.47/11,106.18 = 4,625.79/x
  3. Step 3: Cross multiply
    7,402.47x = 11,106.18 × 4,625.79
  4. Step 4: Simplify right side
    7,402.47x = 51,374,856.38
  5. Step 5: Solve for x
    x = 51,374,856.38/7,402.47
  6. Step 6: Final answer
    x = 6,940.23

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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.