Home / 9,180.19-12,669.75-5,454.19

Finding the Fourth Proportional to 9,180.19, 12,669.75 and 5,454.19

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Solution

The fourth proportional to 9,180.19, 12,669.75 and 5,454.19 is: 7,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.19 : 12,669.75 = 5,454.19 : x
  2. Step 2: Convert to fraction form
    9,180.19/12,669.75 = 5,454.19/x
  3. Step 3: Cross multiply
    9,180.19x = 12,669.75 × 5,454.19
  4. Step 4: Simplify right side
    9,180.19x = 69,103,192.08
  5. Step 5: Solve for x
    x = 69,103,192.08/9,180.19
  6. Step 6: Final answer
    x = 7,527.43

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Half scale
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Double scale
Find fourth proportional to 9,181.19, 12,671.13 and 5,455.19
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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.