Home / 6,812.16-9,401.04-4,160.76

Finding the Fourth Proportional to 6,812.16, 9,401.04 and 4,160.76

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Solution

The fourth proportional to 6,812.16, 9,401.04 and 4,160.76 is: 5,742.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.16 : 9,401.04 = 4,160.76 : x
  2. Step 2: Convert to fraction form
    6,812.16/9,401.04 = 4,160.76/x
  3. Step 3: Cross multiply
    6,812.16x = 9,401.04 × 4,160.76
  4. Step 4: Simplify right side
    6,812.16x = 39,115,471.19
  5. Step 5: Solve for x
    x = 39,115,471.19/6,812.16
  6. Step 6: Final answer
    x = 5,742.01

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Half scale
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Double scale
Find fourth proportional to 6,813.16, 9,402.42 and 4,161.76
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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.