Home / 12,246.01-18,343.08-10,161.07

Finding the Fourth Proportional to 12,246.01, 18,343.08 and 10,161.07

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Solution

The fourth proportional to 12,246.01, 18,343.08 and 10,161.07 is: 15,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.01 : 18,343.08 = 10,161.07 : x
  2. Step 2: Convert to fraction form
    12,246.01/18,343.08 = 10,161.07/x
  3. Step 3: Cross multiply
    12,246.01x = 18,343.08 × 10,161.07
  4. Step 4: Simplify right side
    12,246.01x = 186,385,319.90
  5. Step 5: Solve for x
    x = 186,385,319.90/12,246.01
  6. Step 6: Final answer
    x = 15,220.09

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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.