Home / 7,135.89-10,677.56-4,314.66

Finding the Fourth Proportional to 7,135.89, 10,677.56 and 4,314.66

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Solution

The fourth proportional to 7,135.89, 10,677.56 and 4,314.66 is: 6,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.89 : 10,677.56 = 4,314.66 : x
  2. Step 2: Convert to fraction form
    7,135.89/10,677.56 = 4,314.66/x
  3. Step 3: Cross multiply
    7,135.89x = 10,677.56 × 4,314.66
  4. Step 4: Simplify right side
    7,135.89x = 46,070,019.46
  5. Step 5: Solve for x
    x = 46,070,019.46/7,135.89
  6. Step 6: Final answer
    x = 6,456.10

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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.