Home / 11,566.35-15,961.55-6,261.17

Finding the Fourth Proportional to 11,566.35, 15,961.55 and 6,261.17

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Solution

The fourth proportional to 11,566.35, 15,961.55 and 6,261.17 is: 8,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.35 : 15,961.55 = 6,261.17 : x
  2. Step 2: Convert to fraction form
    11,566.35/15,961.55 = 6,261.17/x
  3. Step 3: Cross multiply
    11,566.35x = 15,961.55 × 6,261.17
  4. Step 4: Simplify right side
    11,566.35x = 99,937,866.90
  5. Step 5: Solve for x
    x = 99,937,866.90/11,566.35
  6. Step 6: Final answer
    x = 8,640.40

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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.