Home / 8,035.86-11,090.80-5,515.88

Finding the Fourth Proportional to 8,035.86, 11,090.80 and 5,515.88

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Solution

The fourth proportional to 8,035.86, 11,090.80 and 5,515.88 is: 7,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,035.86 : 11,090.80 = 5,515.88 : x
  2. Step 2: Convert to fraction form
    8,035.86/11,090.80 = 5,515.88/x
  3. Step 3: Cross multiply
    8,035.86x = 11,090.80 × 5,515.88
  4. Step 4: Simplify right side
    8,035.86x = 61,175,521.90
  5. Step 5: Solve for x
    x = 61,175,521.90/8,035.86
  6. Step 6: Final answer
    x = 7,612.82

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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.