Home / 8,825.12-12,178.95-5,099.12

Finding the Fourth Proportional to 8,825.12, 12,178.95 and 5,099.12

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Solution

The fourth proportional to 8,825.12, 12,178.95 and 5,099.12 is: 7,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.12 : 12,178.95 = 5,099.12 : x
  2. Step 2: Convert to fraction form
    8,825.12/12,178.95 = 5,099.12/x
  3. Step 3: Cross multiply
    8,825.12x = 12,178.95 × 5,099.12
  4. Step 4: Simplify right side
    8,825.12x = 62,101,927.52
  5. Step 5: Solve for x
    x = 62,101,927.52/8,825.12
  6. Step 6: Final answer
    x = 7,036.95

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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.