Home / 7,320.05-10,103.15-4,962.95

Finding the Fourth Proportional to 7,320.05, 10,103.15 and 4,962.95

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Solution

The fourth proportional to 7,320.05, 10,103.15 and 4,962.95 is: 6,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.05 : 10,103.15 = 4,962.95 : x
  2. Step 2: Convert to fraction form
    7,320.05/10,103.15 = 4,962.95/x
  3. Step 3: Cross multiply
    7,320.05x = 10,103.15 × 4,962.95
  4. Step 4: Simplify right side
    7,320.05x = 50,141,390.18
  5. Step 5: Solve for x
    x = 50,141,390.18/7,320.05
  6. Step 6: Final answer
    x = 6,849.87

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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.