Home / 10,480.62-15,663.21-9,873.75

Finding the Fourth Proportional to 10,480.62, 15,663.21 and 9,873.75

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Solution

The fourth proportional to 10,480.62, 15,663.21 and 9,873.75 is: 14,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.62 : 15,663.21 = 9,873.75 : x
  2. Step 2: Convert to fraction form
    10,480.62/15,663.21 = 9,873.75/x
  3. Step 3: Cross multiply
    10,480.62x = 15,663.21 × 9,873.75
  4. Step 4: Simplify right side
    10,480.62x = 154,654,619.74
  5. Step 5: Solve for x
    x = 154,654,619.74/10,480.62
  6. Step 6: Final answer
    x = 14,756.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.