Home / 8,988.15-13,476.36-4,308.03

Finding the Fourth Proportional to 8,988.15, 13,476.36 and 4,308.03

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Solution

The fourth proportional to 8,988.15, 13,476.36 and 4,308.03 is: 6,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.15 : 13,476.36 = 4,308.03 : x
  2. Step 2: Convert to fraction form
    8,988.15/13,476.36 = 4,308.03/x
  3. Step 3: Cross multiply
    8,988.15x = 13,476.36 × 4,308.03
  4. Step 4: Simplify right side
    8,988.15x = 58,056,563.17
  5. Step 5: Solve for x
    x = 58,056,563.17/8,988.15
  6. Step 6: Final answer
    x = 6,459.23

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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.