Home / 8,031.89-11,088.87-5,242.25

Finding the Fourth Proportional to 8,031.89, 11,088.87 and 5,242.25

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Solution

The fourth proportional to 8,031.89, 11,088.87 and 5,242.25 is: 7,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.89 : 11,088.87 = 5,242.25 : x
  2. Step 2: Convert to fraction form
    8,031.89/11,088.87 = 5,242.25/x
  3. Step 3: Cross multiply
    8,031.89x = 11,088.87 × 5,242.25
  4. Step 4: Simplify right side
    8,031.89x = 58,130,573.31
  5. Step 5: Solve for x
    x = 58,130,573.31/8,031.89
  6. Step 6: Final answer
    x = 7,237.48

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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.