Home / 11,112.12-15,334.10-6,075.41

Finding the Fourth Proportional to 11,112.12, 15,334.10 and 6,075.41

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Solution

The fourth proportional to 11,112.12, 15,334.10 and 6,075.41 is: 8,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.12 : 15,334.10 = 6,075.41 : x
  2. Step 2: Convert to fraction form
    11,112.12/15,334.10 = 6,075.41/x
  3. Step 3: Cross multiply
    11,112.12x = 15,334.10 × 6,075.41
  4. Step 4: Simplify right side
    11,112.12x = 93,160,921.33
  5. Step 5: Solve for x
    x = 93,160,921.33/11,112.12
  6. Step 6: Final answer
    x = 8,383.72

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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.