Home / 10,123.07-15,178.02-4,198.32

Finding the Fourth Proportional to 10,123.07, 15,178.02 and 4,198.32

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Solution

The fourth proportional to 10,123.07, 15,178.02 and 4,198.32 is: 6,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.07 : 15,178.02 = 4,198.32 : x
  2. Step 2: Convert to fraction form
    10,123.07/15,178.02 = 4,198.32/x
  3. Step 3: Cross multiply
    10,123.07x = 15,178.02 × 4,198.32
  4. Step 4: Simplify right side
    10,123.07x = 63,722,169.18
  5. Step 5: Solve for x
    x = 63,722,169.18/10,123.07
  6. Step 6: Final answer
    x = 6,294.75

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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.