Home / 7,331.92-10,117.80-4,188.04

Finding the Fourth Proportional to 7,331.92, 10,117.80 and 4,188.04

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Solution

The fourth proportional to 7,331.92, 10,117.80 and 4,188.04 is: 5,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.92 : 10,117.80 = 4,188.04 : x
  2. Step 2: Convert to fraction form
    7,331.92/10,117.80 = 4,188.04/x
  3. Step 3: Cross multiply
    7,331.92x = 10,117.80 × 4,188.04
  4. Step 4: Simplify right side
    7,331.92x = 42,373,751.11
  5. Step 5: Solve for x
    x = 42,373,751.11/7,331.92
  6. Step 6: Final answer
    x = 5,779.35

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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.