Home / 8,087.78-11,159.57-5,254.94

Finding the Fourth Proportional to 8,087.78, 11,159.57 and 5,254.94

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Solution

The fourth proportional to 8,087.78, 11,159.57 and 5,254.94 is: 7,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.78 : 11,159.57 = 5,254.94 : x
  2. Step 2: Convert to fraction form
    8,087.78/11,159.57 = 5,254.94/x
  3. Step 3: Cross multiply
    8,087.78x = 11,159.57 × 5,254.94
  4. Step 4: Simplify right side
    8,087.78x = 58,642,911.81
  5. Step 5: Solve for x
    x = 58,642,911.81/8,087.78
  6. Step 6: Final answer
    x = 7,250.80

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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.