Home / 10,198.53-14,070.38-6,660.45

Finding the Fourth Proportional to 10,198.53, 14,070.38 and 6,660.45

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Solution

The fourth proportional to 10,198.53, 14,070.38 and 6,660.45 is: 9,189.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.53 : 14,070.38 = 6,660.45 : x
  2. Step 2: Convert to fraction form
    10,198.53/14,070.38 = 6,660.45/x
  3. Step 3: Cross multiply
    10,198.53x = 14,070.38 × 6,660.45
  4. Step 4: Simplify right side
    10,198.53x = 93,715,029.17
  5. Step 5: Solve for x
    x = 93,715,029.17/10,198.53
  6. Step 6: Final answer
    x = 9,189.07

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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.