Home / 10,581.78-15,877.26-5,035.08

Finding the Fourth Proportional to 10,581.78, 15,877.26 and 5,035.08

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Solution

The fourth proportional to 10,581.78, 15,877.26 and 5,035.08 is: 7,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.78 : 15,877.26 = 5,035.08 : x
  2. Step 2: Convert to fraction form
    10,581.78/15,877.26 = 5,035.08/x
  3. Step 3: Cross multiply
    10,581.78x = 15,877.26 × 5,035.08
  4. Step 4: Simplify right side
    10,581.78x = 79,943,274.28
  5. Step 5: Solve for x
    x = 79,943,274.28/10,581.78
  6. Step 6: Final answer
    x = 7,554.80

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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.