Home / 11,271.25-15,553.90-6,235.68

Finding the Fourth Proportional to 11,271.25, 15,553.90 and 6,235.68

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Solution

The fourth proportional to 11,271.25, 15,553.90 and 6,235.68 is: 8,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.25 : 15,553.90 = 6,235.68 : x
  2. Step 2: Convert to fraction form
    11,271.25/15,553.90 = 6,235.68/x
  3. Step 3: Cross multiply
    11,271.25x = 15,553.90 × 6,235.68
  4. Step 4: Simplify right side
    11,271.25x = 96,989,191.74
  5. Step 5: Solve for x
    x = 96,989,191.74/11,271.25
  6. Step 6: Final answer
    x = 8,605.01

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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.