Home / 7,945.16-11,881.94-6,071.60

Finding the Fourth Proportional to 7,945.16, 11,881.94 and 6,071.60

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Solution

The fourth proportional to 7,945.16, 11,881.94 and 6,071.60 is: 9,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.16 : 11,881.94 = 6,071.60 : x
  2. Step 2: Convert to fraction form
    7,945.16/11,881.94 = 6,071.60/x
  3. Step 3: Cross multiply
    7,945.16x = 11,881.94 × 6,071.60
  4. Step 4: Simplify right side
    7,945.16x = 72,142,386.90
  5. Step 5: Solve for x
    x = 72,142,386.90/7,945.16
  6. Step 6: Final answer
    x = 9,080.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.