Home / 8,927.74-12,320.07-5,201.50

Finding the Fourth Proportional to 8,927.74, 12,320.07 and 5,201.50

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Solution

The fourth proportional to 8,927.74, 12,320.07 and 5,201.50 is: 7,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.74 : 12,320.07 = 5,201.50 : x
  2. Step 2: Convert to fraction form
    8,927.74/12,320.07 = 5,201.50/x
  3. Step 3: Cross multiply
    8,927.74x = 12,320.07 × 5,201.50
  4. Step 4: Simplify right side
    8,927.74x = 64,082,844.11
  5. Step 5: Solve for x
    x = 64,082,844.11/8,927.74
  6. Step 6: Final answer
    x = 7,177.95

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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.