Home / 10,960.16-15,125.58-6,486.48

Finding the Fourth Proportional to 10,960.16, 15,125.58 and 6,486.48

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Solution

The fourth proportional to 10,960.16, 15,125.58 and 6,486.48 is: 8,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.16 : 15,125.58 = 6,486.48 : x
  2. Step 2: Convert to fraction form
    10,960.16/15,125.58 = 6,486.48/x
  3. Step 3: Cross multiply
    10,960.16x = 15,125.58 × 6,486.48
  4. Step 4: Simplify right side
    10,960.16x = 98,111,772.16
  5. Step 5: Solve for x
    x = 98,111,772.16/10,960.16
  6. Step 6: Final answer
    x = 8,951.67

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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.