Home / 11,159.13-15,380.43-10,633.61

Finding the Fourth Proportional to 11,159.13, 15,380.43 and 10,633.61

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Solution

The fourth proportional to 11,159.13, 15,380.43 and 10,633.61 is: 14,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.13 : 15,380.43 = 10,633.61 : x
  2. Step 2: Convert to fraction form
    11,159.13/15,380.43 = 10,633.61/x
  3. Step 3: Cross multiply
    11,159.13x = 15,380.43 × 10,633.61
  4. Step 4: Simplify right side
    11,159.13x = 163,549,492.83
  5. Step 5: Solve for x
    x = 163,549,492.83/11,159.13
  6. Step 6: Final answer
    x = 14,656.11

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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.