Home / 10,877.03-15,004.97-7,098.45

Finding the Fourth Proportional to 10,877.03, 15,004.97 and 7,098.45

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Solution

The fourth proportional to 10,877.03, 15,004.97 and 7,098.45 is: 9,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.03 : 15,004.97 = 7,098.45 : x
  2. Step 2: Convert to fraction form
    10,877.03/15,004.97 = 7,098.45/x
  3. Step 3: Cross multiply
    10,877.03x = 15,004.97 × 7,098.45
  4. Step 4: Simplify right side
    10,877.03x = 106,511,993.80
  5. Step 5: Solve for x
    x = 106,511,993.80/10,877.03
  6. Step 6: Final answer
    x = 9,792.38

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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.