Home / 10,909.70-15,053.87-6,193.07

Finding the Fourth Proportional to 10,909.70, 15,053.87 and 6,193.07

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Solution

The fourth proportional to 10,909.70, 15,053.87 and 6,193.07 is: 8,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.70 : 15,053.87 = 6,193.07 : x
  2. Step 2: Convert to fraction form
    10,909.70/15,053.87 = 6,193.07/x
  3. Step 3: Cross multiply
    10,909.70x = 15,053.87 × 6,193.07
  4. Step 4: Simplify right side
    10,909.70x = 93,229,670.68
  5. Step 5: Solve for x
    x = 93,229,670.68/10,909.70
  6. Step 6: Final answer
    x = 8,545.58

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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.