Home / 10,081.06-13,918.65-9,015.52

Finding the Fourth Proportional to 10,081.06, 13,918.65 and 9,015.52

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Solution

The fourth proportional to 10,081.06, 13,918.65 and 9,015.52 is: 12,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.06 : 13,918.65 = 9,015.52 : x
  2. Step 2: Convert to fraction form
    10,081.06/13,918.65 = 9,015.52/x
  3. Step 3: Cross multiply
    10,081.06x = 13,918.65 × 9,015.52
  4. Step 4: Simplify right side
    10,081.06x = 125,483,867.45
  5. Step 5: Solve for x
    x = 125,483,867.45/10,081.06
  6. Step 6: Final answer
    x = 12,447.49

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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.