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Finding the Fourth Proportional to 8,360.98, 11,534.07 and 7,034.20

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Solution

The fourth proportional to 8,360.98, 11,534.07 and 7,034.20 is: 9,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.98 : 11,534.07 = 7,034.20 : x
  2. Step 2: Convert to fraction form
    8,360.98/11,534.07 = 7,034.20/x
  3. Step 3: Cross multiply
    8,360.98x = 11,534.07 × 7,034.20
  4. Step 4: Simplify right side
    8,360.98x = 81,132,955.19
  5. Step 5: Solve for x
    x = 81,132,955.19/8,360.98
  6. Step 6: Final answer
    x = 9,703.76

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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.