Home / 11,113.02-15,334.29-7,134.66

Finding the Fourth Proportional to 11,113.02, 15,334.29 and 7,134.66

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Solution

The fourth proportional to 11,113.02, 15,334.29 and 7,134.66 is: 9,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.02 : 15,334.29 = 7,134.66 : x
  2. Step 2: Convert to fraction form
    11,113.02/15,334.29 = 7,134.66/x
  3. Step 3: Cross multiply
    11,113.02x = 15,334.29 × 7,134.66
  4. Step 4: Simplify right side
    11,113.02x = 109,404,945.49
  5. Step 5: Solve for x
    x = 109,404,945.49/11,113.02
  6. Step 6: Final answer
    x = 9,844.75

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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.