Home / 8,656.09-11,945.48-5,070.25

Finding the Fourth Proportional to 8,656.09, 11,945.48 and 5,070.25

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Solution

The fourth proportional to 8,656.09, 11,945.48 and 5,070.25 is: 6,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.09 : 11,945.48 = 5,070.25 : x
  2. Step 2: Convert to fraction form
    8,656.09/11,945.48 = 5,070.25/x
  3. Step 3: Cross multiply
    8,656.09x = 11,945.48 × 5,070.25
  4. Step 4: Simplify right side
    8,656.09x = 60,566,569.97
  5. Step 5: Solve for x
    x = 60,566,569.97/8,656.09
  6. Step 6: Final answer
    x = 6,996.99

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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.