Home / 8,988.04-12,403.38-5,850.28

Finding the Fourth Proportional to 8,988.04, 12,403.38 and 5,850.28

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Solution

The fourth proportional to 8,988.04, 12,403.38 and 5,850.28 is: 8,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.04 : 12,403.38 = 5,850.28 : x
  2. Step 2: Convert to fraction form
    8,988.04/12,403.38 = 5,850.28/x
  3. Step 3: Cross multiply
    8,988.04x = 12,403.38 × 5,850.28
  4. Step 4: Simplify right side
    8,988.04x = 72,563,245.95
  5. Step 5: Solve for x
    x = 72,563,245.95/8,988.04
  6. Step 6: Final answer
    x = 8,073.31

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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.