Home / 6,919.38-9,551.49-4,680.18

Finding the Fourth Proportional to 6,919.38, 9,551.49 and 4,680.18

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Solution

The fourth proportional to 6,919.38, 9,551.49 and 4,680.18 is: 6,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.38 : 9,551.49 = 4,680.18 : x
  2. Step 2: Convert to fraction form
    6,919.38/9,551.49 = 4,680.18/x
  3. Step 3: Cross multiply
    6,919.38x = 9,551.49 × 4,680.18
  4. Step 4: Simplify right side
    6,919.38x = 44,702,692.47
  5. Step 5: Solve for x
    x = 44,702,692.47/6,919.38
  6. Step 6: Final answer
    x = 6,460.51

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Half scale
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Double scale
Find fourth proportional to 6,920.38, 9,552.87 and 4,681.18
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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.