Home / 10,080.90-15,103.35-4,875.30

Finding the Fourth Proportional to 10,080.90, 15,103.35 and 4,875.30

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Solution

The fourth proportional to 10,080.90, 15,103.35 and 4,875.30 is: 7,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.90 : 15,103.35 = 4,875.30 : x
  2. Step 2: Convert to fraction form
    10,080.90/15,103.35 = 4,875.30/x
  3. Step 3: Cross multiply
    10,080.90x = 15,103.35 × 4,875.30
  4. Step 4: Simplify right side
    10,080.90x = 73,633,362.26
  5. Step 5: Solve for x
    x = 73,633,362.26/10,080.90
  6. Step 6: Final answer
    x = 7,304.24

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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.