Home / 12,174.19-18,264.02-3,854.70

Finding the Fourth Proportional to 12,174.19, 18,264.02 and 3,854.70

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Solution

The fourth proportional to 12,174.19, 18,264.02 and 3,854.70 is: 5,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.19 : 18,264.02 = 3,854.70 : x
  2. Step 2: Convert to fraction form
    12,174.19/18,264.02 = 3,854.70/x
  3. Step 3: Cross multiply
    12,174.19x = 18,264.02 × 3,854.70
  4. Step 4: Simplify right side
    12,174.19x = 70,402,298.62
  5. Step 5: Solve for x
    x = 70,402,298.62/12,174.19
  6. Step 6: Final answer
    x = 5,782.92

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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.