Home / 7,440.14-11,143.10-4,312.41

Finding the Fourth Proportional to 7,440.14, 11,143.10 and 4,312.41

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Solution

The fourth proportional to 7,440.14, 11,143.10 and 4,312.41 is: 6,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.14 : 11,143.10 = 4,312.41 : x
  2. Step 2: Convert to fraction form
    7,440.14/11,143.10 = 4,312.41/x
  3. Step 3: Cross multiply
    7,440.14x = 11,143.10 × 4,312.41
  4. Step 4: Simplify right side
    7,440.14x = 48,053,560.16
  5. Step 5: Solve for x
    x = 48,053,560.16/7,440.14
  6. Step 6: Final answer
    x = 6,458.69

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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.