Home / 11,295.72-15,588.12-6,259.98

Finding the Fourth Proportional to 11,295.72, 15,588.12 and 6,259.98

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Solution

The fourth proportional to 11,295.72, 15,588.12 and 6,259.98 is: 8,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.72 : 15,588.12 = 6,259.98 : x
  2. Step 2: Convert to fraction form
    11,295.72/15,588.12 = 6,259.98/x
  3. Step 3: Cross multiply
    11,295.72x = 15,588.12 × 6,259.98
  4. Step 4: Simplify right side
    11,295.72x = 97,581,319.44
  5. Step 5: Solve for x
    x = 97,581,319.44/11,295.72
  6. Step 6: Final answer
    x = 8,638.79

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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.