Home / 11,001.63-15,176.03-6,520.98

Finding the Fourth Proportional to 11,001.63, 15,176.03 and 6,520.98

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Solution

The fourth proportional to 11,001.63, 15,176.03 and 6,520.98 is: 8,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.63 : 15,176.03 = 6,520.98 : x
  2. Step 2: Convert to fraction form
    11,001.63/15,176.03 = 6,520.98/x
  3. Step 3: Cross multiply
    11,001.63x = 15,176.03 × 6,520.98
  4. Step 4: Simplify right side
    11,001.63x = 98,962,588.11
  5. Step 5: Solve for x
    x = 98,962,588.11/11,001.63
  6. Step 6: Final answer
    x = 8,995.27

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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.