Home / 9,502.76-13,113.96-5,311.28

Finding the Fourth Proportional to 9,502.76, 13,113.96 and 5,311.28

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Solution

The fourth proportional to 9,502.76, 13,113.96 and 5,311.28 is: 7,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,502.76 : 13,113.96 = 5,311.28 : x
  2. Step 2: Convert to fraction form
    9,502.76/13,113.96 = 5,311.28/x
  3. Step 3: Cross multiply
    9,502.76x = 13,113.96 × 5,311.28
  4. Step 4: Simplify right side
    9,502.76x = 69,651,913.47
  5. Step 5: Solve for x
    x = 69,651,913.47/9,502.76
  6. Step 6: Final answer
    x = 7,329.65

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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.