Home / 10,959.09-15,224.93-10,856.62

Finding the Fourth Proportional to 10,959.09, 15,224.93 and 10,856.62

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Solution

The fourth proportional to 10,959.09, 15,224.93 and 10,856.62 is: 15,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.09 : 15,224.93 = 10,856.62 : x
  2. Step 2: Convert to fraction form
    10,959.09/15,224.93 = 10,856.62/x
  3. Step 3: Cross multiply
    10,959.09x = 15,224.93 × 10,856.62
  4. Step 4: Simplify right side
    10,959.09x = 165,291,279.54
  5. Step 5: Solve for x
    x = 165,291,279.54/10,959.09
  6. Step 6: Final answer
    x = 15,082.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.