Home / 9,305.45-12,841.55-5,476.11

Finding the Fourth Proportional to 9,305.45, 12,841.55 and 5,476.11

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Solution

The fourth proportional to 9,305.45, 12,841.55 and 5,476.11 is: 7,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.45 : 12,841.55 = 5,476.11 : x
  2. Step 2: Convert to fraction form
    9,305.45/12,841.55 = 5,476.11/x
  3. Step 3: Cross multiply
    9,305.45x = 12,841.55 × 5,476.11
  4. Step 4: Simplify right side
    9,305.45x = 70,321,712.99
  5. Step 5: Solve for x
    x = 70,321,712.99/9,305.45
  6. Step 6: Final answer
    x = 7,557.05

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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.