Home / 10,087.01-15,098.15-5,395.28

Finding the Fourth Proportional to 10,087.01, 15,098.15 and 5,395.28

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Solution

The fourth proportional to 10,087.01, 15,098.15 and 5,395.28 is: 8,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.01 : 15,098.15 = 5,395.28 : x
  2. Step 2: Convert to fraction form
    10,087.01/15,098.15 = 5,395.28/x
  3. Step 3: Cross multiply
    10,087.01x = 15,098.15 × 5,395.28
  4. Step 4: Simplify right side
    10,087.01x = 81,458,644.26
  5. Step 5: Solve for x
    x = 81,458,644.26/10,087.01
  6. Step 6: Final answer
    x = 8,075.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.