Home / 12,066.10-18,100.05-4,273.90

Finding the Fourth Proportional to 12,066.10, 18,100.05 and 4,273.90

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Solution

The fourth proportional to 12,066.10, 18,100.05 and 4,273.90 is: 6,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.10 : 18,100.05 = 4,273.90 : x
  2. Step 2: Convert to fraction form
    12,066.10/18,100.05 = 4,273.90/x
  3. Step 3: Cross multiply
    12,066.10x = 18,100.05 × 4,273.90
  4. Step 4: Simplify right side
    12,066.10x = 77,357,803.70
  5. Step 5: Solve for x
    x = 77,357,803.70/12,066.10
  6. Step 6: Final answer
    x = 6,411.17

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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.