Home / 11,194.04-15,447.57-7,657.13

Finding the Fourth Proportional to 11,194.04, 15,447.57 and 7,657.13

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Solution

The fourth proportional to 11,194.04, 15,447.57 and 7,657.13 is: 10,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,194.04 : 15,447.57 = 7,657.13 : x
  2. Step 2: Convert to fraction form
    11,194.04/15,447.57 = 7,657.13/x
  3. Step 3: Cross multiply
    11,194.04x = 15,447.57 × 7,657.13
  4. Step 4: Simplify right side
    11,194.04x = 118,284,051.67
  5. Step 5: Solve for x
    x = 118,284,051.67/11,194.04
  6. Step 6: Final answer
    x = 10,566.70

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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.