Home / 6,111.70-8,434.28-3,459.11

Finding the Fourth Proportional to 6,111.70, 8,434.28 and 3,459.11

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Solution

The fourth proportional to 6,111.70, 8,434.28 and 3,459.11 is: 4,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.70 : 8,434.28 = 3,459.11 : x
  2. Step 2: Convert to fraction form
    6,111.70/8,434.28 = 3,459.11/x
  3. Step 3: Cross multiply
    6,111.70x = 8,434.28 × 3,459.11
  4. Step 4: Simplify right side
    6,111.70x = 29,175,102.29
  5. Step 5: Solve for x
    x = 29,175,102.29/6,111.70
  6. Step 6: Final answer
    x = 4,773.65

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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.