Home / 10,612.48-15,972.00-7,993.55

Finding the Fourth Proportional to 10,612.48, 15,972.00 and 7,993.55

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Solution

The fourth proportional to 10,612.48, 15,972.00 and 7,993.55 is: 12,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.48 : 15,972.00 = 7,993.55 : x
  2. Step 2: Convert to fraction form
    10,612.48/15,972.00 = 7,993.55/x
  3. Step 3: Cross multiply
    10,612.48x = 15,972.00 × 7,993.55
  4. Step 4: Simplify right side
    10,612.48x = 127,672,920.72
  5. Step 5: Solve for x
    x = 127,672,920.72/10,612.48
  6. Step 6: Final answer
    x = 12,030.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.