Home / 11,192.58-15,445.08-6,475.95

Finding the Fourth Proportional to 11,192.58, 15,445.08 and 6,475.95

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Solution

The fourth proportional to 11,192.58, 15,445.08 and 6,475.95 is: 8,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.58 : 15,445.08 = 6,475.95 : x
  2. Step 2: Convert to fraction form
    11,192.58/15,445.08 = 6,475.95/x
  3. Step 3: Cross multiply
    11,192.58x = 15,445.08 × 6,475.95
  4. Step 4: Simplify right side
    11,192.58x = 100,021,565.83
  5. Step 5: Solve for x
    x = 100,021,565.83/11,192.58
  6. Step 6: Final answer
    x = 8,936.42

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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.