Home / 11,360.16-15,672.67-8,383.10

Finding the Fourth Proportional to 11,360.16, 15,672.67 and 8,383.10

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Solution

The fourth proportional to 11,360.16, 15,672.67 and 8,383.10 is: 11,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.16 : 15,672.67 = 8,383.10 : x
  2. Step 2: Convert to fraction form
    11,360.16/15,672.67 = 8,383.10/x
  3. Step 3: Cross multiply
    11,360.16x = 15,672.67 × 8,383.10
  4. Step 4: Simplify right side
    11,360.16x = 131,385,460.56
  5. Step 5: Solve for x
    x = 131,385,460.56/11,360.16
  6. Step 6: Final answer
    x = 11,565.46

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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.