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Finding the Fourth Proportional to 7,341.84, 10,999.98 and 6,117.12

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Solution

The fourth proportional to 7,341.84, 10,999.98 and 6,117.12 is: 9,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.84 : 10,999.98 = 6,117.12 : x
  2. Step 2: Convert to fraction form
    7,341.84/10,999.98 = 6,117.12/x
  3. Step 3: Cross multiply
    7,341.84x = 10,999.98 × 6,117.12
  4. Step 4: Simplify right side
    7,341.84x = 67,288,197.66
  5. Step 5: Solve for x
    x = 67,288,197.66/7,341.84
  6. Step 6: Final answer
    x = 9,165.03

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1.5x scale

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.