Home / 10,608.40-15,918.06-4,373.02

Finding the Fourth Proportional to 10,608.40, 15,918.06 and 4,373.02

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Solution

The fourth proportional to 10,608.40, 15,918.06 and 4,373.02 is: 6,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.40 : 15,918.06 = 4,373.02 : x
  2. Step 2: Convert to fraction form
    10,608.40/15,918.06 = 4,373.02/x
  3. Step 3: Cross multiply
    10,608.40x = 15,918.06 × 4,373.02
  4. Step 4: Simplify right side
    10,608.40x = 69,609,994.74
  5. Step 5: Solve for x
    x = 69,609,994.74/10,608.40
  6. Step 6: Final answer
    x = 6,561.78

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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.