Home / 7,312.68-10,091.52-4,168.80

Finding the Fourth Proportional to 7,312.68, 10,091.52 and 4,168.80

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Solution

The fourth proportional to 7,312.68, 10,091.52 and 4,168.80 is: 5,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.68 : 10,091.52 = 4,168.80 : x
  2. Step 2: Convert to fraction form
    7,312.68/10,091.52 = 4,168.80/x
  3. Step 3: Cross multiply
    7,312.68x = 10,091.52 × 4,168.80
  4. Step 4: Simplify right side
    7,312.68x = 42,069,528.58
  5. Step 5: Solve for x
    x = 42,069,528.58/7,312.68
  6. Step 6: Final answer
    x = 5,752.96

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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.