Home / 8,549.90-11,799.51-5,015.06

Finding the Fourth Proportional to 8,549.90, 11,799.51 and 5,015.06

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Solution

The fourth proportional to 8,549.90, 11,799.51 and 5,015.06 is: 6,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.90 : 11,799.51 = 5,015.06 : x
  2. Step 2: Convert to fraction form
    8,549.90/11,799.51 = 5,015.06/x
  3. Step 3: Cross multiply
    8,549.90x = 11,799.51 × 5,015.06
  4. Step 4: Simplify right side
    8,549.90x = 59,175,250.62
  5. Step 5: Solve for x
    x = 59,175,250.62/8,549.90
  6. Step 6: Final answer
    x = 6,921.16

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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.