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Finding the Fourth Proportional to 8,260.95, 11,400.12 and 4,484.11

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Solution

The fourth proportional to 8,260.95, 11,400.12 and 4,484.11 is: 6,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.95 : 11,400.12 = 4,484.11 : x
  2. Step 2: Convert to fraction form
    8,260.95/11,400.12 = 4,484.11/x
  3. Step 3: Cross multiply
    8,260.95x = 11,400.12 × 4,484.11
  4. Step 4: Simplify right side
    8,260.95x = 51,119,417.03
  5. Step 5: Solve for x
    x = 51,119,417.03/8,260.95
  6. Step 6: Final answer
    x = 6,188.08

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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.