Home / 11,259.81-15,537.20-6,223.35

Finding the Fourth Proportional to 11,259.81, 15,537.20 and 6,223.35

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Solution

The fourth proportional to 11,259.81, 15,537.20 and 6,223.35 is: 8,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.81 : 15,537.20 = 6,223.35 : x
  2. Step 2: Convert to fraction form
    11,259.81/15,537.20 = 6,223.35/x
  3. Step 3: Cross multiply
    11,259.81x = 15,537.20 × 6,223.35
  4. Step 4: Simplify right side
    11,259.81x = 96,693,433.62
  5. Step 5: Solve for x
    x = 96,693,433.62/11,259.81
  6. Step 6: Final answer
    x = 8,587.48

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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.