Home / 11,259.78-15,537.30-6,223.80

Finding the Fourth Proportional to 11,259.78, 15,537.30 and 6,223.80

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Solution

The fourth proportional to 11,259.78, 15,537.30 and 6,223.80 is: 8,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.78 : 15,537.30 = 6,223.80 : x
  2. Step 2: Convert to fraction form
    11,259.78/15,537.30 = 6,223.80/x
  3. Step 3: Cross multiply
    11,259.78x = 15,537.30 × 6,223.80
  4. Step 4: Simplify right side
    11,259.78x = 96,701,047.74
  5. Step 5: Solve for x
    x = 96,701,047.74/11,259.78
  6. Step 6: Final answer
    x = 8,588.18

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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.