Home / 10,981.98-15,153.48-6,265.62

Finding the Fourth Proportional to 10,981.98, 15,153.48 and 6,265.62

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Solution

The fourth proportional to 10,981.98, 15,153.48 and 6,265.62 is: 8,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.98 : 15,153.48 = 6,265.62 : x
  2. Step 2: Convert to fraction form
    10,981.98/15,153.48 = 6,265.62/x
  3. Step 3: Cross multiply
    10,981.98x = 15,153.48 × 6,265.62
  4. Step 4: Simplify right side
    10,981.98x = 94,945,947.36
  5. Step 5: Solve for x
    x = 94,945,947.36/10,981.98
  6. Step 6: Final answer
    x = 8,645.61

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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.