Home / 11,482.01-15,845.19-6,445.75

Finding the Fourth Proportional to 11,482.01, 15,845.19 and 6,445.75

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Solution

The fourth proportional to 11,482.01, 15,845.19 and 6,445.75 is: 8,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.01 : 15,845.19 = 6,445.75 : x
  2. Step 2: Convert to fraction form
    11,482.01/15,845.19 = 6,445.75/x
  3. Step 3: Cross multiply
    11,482.01x = 15,845.19 × 6,445.75
  4. Step 4: Simplify right side
    11,482.01x = 102,134,133.44
  5. Step 5: Solve for x
    x = 102,134,133.44/11,482.01
  6. Step 6: Final answer
    x = 8,895.14

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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.