Home / 11,112.25-15,334.28-6,075.53

Finding the Fourth Proportional to 11,112.25, 15,334.28 and 6,075.53

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Solution

The fourth proportional to 11,112.25, 15,334.28 and 6,075.53 is: 8,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.25 : 15,334.28 = 6,075.53 : x
  2. Step 2: Convert to fraction form
    11,112.25/15,334.28 = 6,075.53/x
  3. Step 3: Cross multiply
    11,112.25x = 15,334.28 × 6,075.53
  4. Step 4: Simplify right side
    11,112.25x = 93,163,886.13
  5. Step 5: Solve for x
    x = 93,163,886.13/11,112.25
  6. Step 6: Final answer
    x = 8,383.89

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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.