Home / 11,223.03-15,487.68-6,118.55

Finding the Fourth Proportional to 11,223.03, 15,487.68 and 6,118.55

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Solution

The fourth proportional to 11,223.03, 15,487.68 and 6,118.55 is: 8,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.03 : 15,487.68 = 6,118.55 : x
  2. Step 2: Convert to fraction form
    11,223.03/15,487.68 = 6,118.55/x
  3. Step 3: Cross multiply
    11,223.03x = 15,487.68 × 6,118.55
  4. Step 4: Simplify right side
    11,223.03x = 94,762,144.46
  5. Step 5: Solve for x
    x = 94,762,144.46/11,223.03
  6. Step 6: Final answer
    x = 8,443.54

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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.