Home / 6,111.90-8,434.14-3,459.35

Finding the Fourth Proportional to 6,111.90, 8,434.14 and 3,459.35

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Solution

The fourth proportional to 6,111.90, 8,434.14 and 3,459.35 is: 4,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.90 : 8,434.14 = 3,459.35 : x
  2. Step 2: Convert to fraction form
    6,111.90/8,434.14 = 3,459.35/x
  3. Step 3: Cross multiply
    6,111.90x = 8,434.14 × 3,459.35
  4. Step 4: Simplify right side
    6,111.90x = 29,176,600.04
  5. Step 5: Solve for x
    x = 29,176,600.04/6,111.90
  6. Step 6: Final answer
    x = 4,773.74

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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.