Home / 7,675.16-11,520.76-6,803.24

Finding the Fourth Proportional to 7,675.16, 11,520.76 and 6,803.24

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Solution

The fourth proportional to 7,675.16, 11,520.76 and 6,803.24 is: 10,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.16 : 11,520.76 = 6,803.24 : x
  2. Step 2: Convert to fraction form
    7,675.16/11,520.76 = 6,803.24/x
  3. Step 3: Cross multiply
    7,675.16x = 11,520.76 × 6,803.24
  4. Step 4: Simplify right side
    7,675.16x = 78,378,495.26
  5. Step 5: Solve for x
    x = 78,378,495.26/7,675.16
  6. Step 6: Final answer
    x = 10,211.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.