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Finding the Fourth Proportional to 9,173.80, 12,661.86 and 6,030.28

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Solution

The fourth proportional to 9,173.80, 12,661.86 and 6,030.28 is: 8,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.80 : 12,661.86 = 6,030.28 : x
  2. Step 2: Convert to fraction form
    9,173.80/12,661.86 = 6,030.28/x
  3. Step 3: Cross multiply
    9,173.80x = 12,661.86 × 6,030.28
  4. Step 4: Simplify right side
    9,173.80x = 76,354,561.12
  5. Step 5: Solve for x
    x = 76,354,561.12/9,173.80
  6. Step 6: Final answer
    x = 8,323.11

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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.