Home / 7,236.32-9,985.65-4,049.07

Finding the Fourth Proportional to 7,236.32, 9,985.65 and 4,049.07

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Solution

The fourth proportional to 7,236.32, 9,985.65 and 4,049.07 is: 5,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.32 : 9,985.65 = 4,049.07 : x
  2. Step 2: Convert to fraction form
    7,236.32/9,985.65 = 4,049.07/x
  3. Step 3: Cross multiply
    7,236.32x = 9,985.65 × 4,049.07
  4. Step 4: Simplify right side
    7,236.32x = 40,432,595.85
  5. Step 5: Solve for x
    x = 40,432,595.85/7,236.32
  6. Step 6: Final answer
    x = 5,587.45

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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.