Home / 7,497.20-10,346.14-4,140.15

Finding the Fourth Proportional to 7,497.20, 10,346.14 and 4,140.15

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Solution

The fourth proportional to 7,497.20, 10,346.14 and 4,140.15 is: 5,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.20 : 10,346.14 = 4,140.15 : x
  2. Step 2: Convert to fraction form
    7,497.20/10,346.14 = 4,140.15/x
  3. Step 3: Cross multiply
    7,497.20x = 10,346.14 × 4,140.15
  4. Step 4: Simplify right side
    7,497.20x = 42,834,571.52
  5. Step 5: Solve for x
    x = 42,834,571.52/7,497.20
  6. Step 6: Final answer
    x = 5,713.41

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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.