Home / 8,031.65-11,088.53-5,242.01

Finding the Fourth Proportional to 8,031.65, 11,088.53 and 5,242.01

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Solution

The fourth proportional to 8,031.65, 11,088.53 and 5,242.01 is: 7,237.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.65 : 11,088.53 = 5,242.01 : x
  2. Step 2: Convert to fraction form
    8,031.65/11,088.53 = 5,242.01/x
  3. Step 3: Cross multiply
    8,031.65x = 11,088.53 × 5,242.01
  4. Step 4: Simplify right side
    8,031.65x = 58,126,103.49
  5. Step 5: Solve for x
    x = 58,126,103.49/8,031.65
  6. Step 6: Final answer
    x = 7,237.14

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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.