Home / 6,612.23-9,124.35-3,779.46

Finding the Fourth Proportional to 6,612.23, 9,124.35 and 3,779.46

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Solution

The fourth proportional to 6,612.23, 9,124.35 and 3,779.46 is: 5,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.23 : 9,124.35 = 3,779.46 : x
  2. Step 2: Convert to fraction form
    6,612.23/9,124.35 = 3,779.46/x
  3. Step 3: Cross multiply
    6,612.23x = 9,124.35 × 3,779.46
  4. Step 4: Simplify right side
    6,612.23x = 34,485,101.68
  5. Step 5: Solve for x
    x = 34,485,101.68/6,612.23
  6. Step 6: Final answer
    x = 5,215.35

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Double scale
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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.