Home / 10,032.20-15,056.65-5,290.06

Finding the Fourth Proportional to 10,032.20, 15,056.65 and 5,290.06

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Solution

The fourth proportional to 10,032.20, 15,056.65 and 5,290.06 is: 7,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,032.20 : 15,056.65 = 5,290.06 : x
  2. Step 2: Convert to fraction form
    10,032.20/15,056.65 = 5,290.06/x
  3. Step 3: Cross multiply
    10,032.20x = 15,056.65 × 5,290.06
  4. Step 4: Simplify right side
    10,032.20x = 79,650,493.26
  5. Step 5: Solve for x
    x = 79,650,493.26/10,032.20
  6. Step 6: Final answer
    x = 7,939.48

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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.