Home / 11,595.45-16,001.31-6,290.16

Finding the Fourth Proportional to 11,595.45, 16,001.31 and 6,290.16

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Solution

The fourth proportional to 11,595.45, 16,001.31 and 6,290.16 is: 8,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.45 : 16,001.31 = 6,290.16 : x
  2. Step 2: Convert to fraction form
    11,595.45/16,001.31 = 6,290.16/x
  3. Step 3: Cross multiply
    11,595.45x = 16,001.31 × 6,290.16
  4. Step 4: Simplify right side
    11,595.45x = 100,650,763.69
  5. Step 5: Solve for x
    x = 100,650,763.69/11,595.45
  6. Step 6: Final answer
    x = 8,680.19

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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.