Home / 11,595.15-16,001.25-6,490.69

Finding the Fourth Proportional to 11,595.15, 16,001.25 and 6,490.69

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Solution

The fourth proportional to 11,595.15, 16,001.25 and 6,490.69 is: 8,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.15 : 16,001.25 = 6,490.69 : x
  2. Step 2: Convert to fraction form
    11,595.15/16,001.25 = 6,490.69/x
  3. Step 3: Cross multiply
    11,595.15x = 16,001.25 × 6,490.69
  4. Step 4: Simplify right side
    11,595.15x = 103,859,153.36
  5. Step 5: Solve for x
    x = 103,859,153.36/11,595.15
  6. Step 6: Final answer
    x = 8,957.12

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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.