Home / 8,319.26-11,483.12-5,133.53

Finding the Fourth Proportional to 8,319.26, 11,483.12 and 5,133.53

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Solution

The fourth proportional to 8,319.26, 11,483.12 and 5,133.53 is: 7,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.26 : 11,483.12 = 5,133.53 : x
  2. Step 2: Convert to fraction form
    8,319.26/11,483.12 = 5,133.53/x
  3. Step 3: Cross multiply
    8,319.26x = 11,483.12 × 5,133.53
  4. Step 4: Simplify right side
    8,319.26x = 58,948,889.09
  5. Step 5: Solve for x
    x = 58,948,889.09/8,319.26
  6. Step 6: Final answer
    x = 7,085.84

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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.