Home / 11,453.02-15,802.78-6,734.78

Finding the Fourth Proportional to 11,453.02, 15,802.78 and 6,734.78

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Solution

The fourth proportional to 11,453.02, 15,802.78 and 6,734.78 is: 9,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.02 : 15,802.78 = 6,734.78 : x
  2. Step 2: Convert to fraction form
    11,453.02/15,802.78 = 6,734.78/x
  3. Step 3: Cross multiply
    11,453.02x = 15,802.78 × 6,734.78
  4. Step 4: Simplify right side
    11,453.02x = 106,428,246.69
  5. Step 5: Solve for x
    x = 106,428,246.69/11,453.02
  6. Step 6: Final answer
    x = 9,292.59

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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.