Home / 12,077.40-18,098.18-10,764.12

Finding the Fourth Proportional to 12,077.40, 18,098.18 and 10,764.12

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Solution

The fourth proportional to 12,077.40, 18,098.18 and 10,764.12 is: 16,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.40 : 18,098.18 = 10,764.12 : x
  2. Step 2: Convert to fraction form
    12,077.40/18,098.18 = 10,764.12/x
  3. Step 3: Cross multiply
    12,077.40x = 18,098.18 × 10,764.12
  4. Step 4: Simplify right side
    12,077.40x = 194,810,981.30
  5. Step 5: Solve for x
    x = 194,810,981.30/12,077.40
  6. Step 6: Final answer
    x = 16,130.21

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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.