Home / 10,218.74-14,103.17-6,239.01

Finding the Fourth Proportional to 10,218.74, 14,103.17 and 6,239.01

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Solution

The fourth proportional to 10,218.74, 14,103.17 and 6,239.01 is: 8,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.74 : 14,103.17 = 6,239.01 : x
  2. Step 2: Convert to fraction form
    10,218.74/14,103.17 = 6,239.01/x
  3. Step 3: Cross multiply
    10,218.74x = 14,103.17 × 6,239.01
  4. Step 4: Simplify right side
    10,218.74x = 87,989,834.26
  5. Step 5: Solve for x
    x = 87,989,834.26/10,218.74
  6. Step 6: Final answer
    x = 8,610.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.