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Finding the Fourth Proportional to 11,065.76, 15,271.12 and 6,030.15

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Solution

The fourth proportional to 11,065.76, 15,271.12 and 6,030.15 is: 8,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.76 : 15,271.12 = 6,030.15 : x
  2. Step 2: Convert to fraction form
    11,065.76/15,271.12 = 6,030.15/x
  3. Step 3: Cross multiply
    11,065.76x = 15,271.12 × 6,030.15
  4. Step 4: Simplify right side
    11,065.76x = 92,087,060.62
  5. Step 5: Solve for x
    x = 92,087,060.62/11,065.76
  6. Step 6: Final answer
    x = 8,321.80

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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.