Home / 8,309.68-11,466.51-5,122.46

Finding the Fourth Proportional to 8,309.68, 11,466.51 and 5,122.46

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Solution

The fourth proportional to 8,309.68, 11,466.51 and 5,122.46 is: 7,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.68 : 11,466.51 = 5,122.46 : x
  2. Step 2: Convert to fraction form
    8,309.68/11,466.51 = 5,122.46/x
  3. Step 3: Cross multiply
    8,309.68x = 11,466.51 × 5,122.46
  4. Step 4: Simplify right side
    8,309.68x = 58,736,738.81
  5. Step 5: Solve for x
    x = 58,736,738.81/8,309.68
  6. Step 6: Final answer
    x = 7,068.48

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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.