Home / 10,960.12-15,125.12-6,483.76

Finding the Fourth Proportional to 10,960.12, 15,125.12 and 6,483.76

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Solution

The fourth proportional to 10,960.12, 15,125.12 and 6,483.76 is: 8,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.12 : 15,125.12 = 6,483.76 : x
  2. Step 2: Convert to fraction form
    10,960.12/15,125.12 = 6,483.76/x
  3. Step 3: Cross multiply
    10,960.12x = 15,125.12 × 6,483.76
  4. Step 4: Simplify right side
    10,960.12x = 98,067,602.13
  5. Step 5: Solve for x
    x = 98,067,602.13/10,960.12
  6. Step 6: Final answer
    x = 8,947.67

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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.