Home / 9,235.20-12,731.40-5,696.04

Finding the Fourth Proportional to 9,235.20, 12,731.40 and 5,696.04

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Solution

The fourth proportional to 9,235.20, 12,731.40 and 5,696.04 is: 7,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.20 : 12,731.40 = 5,696.04 : x
  2. Step 2: Convert to fraction form
    9,235.20/12,731.40 = 5,696.04/x
  3. Step 3: Cross multiply
    9,235.20x = 12,731.40 × 5,696.04
  4. Step 4: Simplify right side
    9,235.20x = 72,518,563.66
  5. Step 5: Solve for x
    x = 72,518,563.66/9,235.20
  6. Step 6: Final answer
    x = 7,852.41

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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.