Home / 10,075.19-15,112.79-3,833.76

Finding the Fourth Proportional to 10,075.19, 15,112.79 and 3,833.76

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Solution

The fourth proportional to 10,075.19, 15,112.79 and 3,833.76 is: 5,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.19 : 15,112.79 = 3,833.76 : x
  2. Step 2: Convert to fraction form
    10,075.19/15,112.79 = 3,833.76/x
  3. Step 3: Cross multiply
    10,075.19x = 15,112.79 × 3,833.76
  4. Step 4: Simplify right side
    10,075.19x = 57,938,809.79
  5. Step 5: Solve for x
    x = 57,938,809.79/10,075.19
  6. Step 6: Final answer
    x = 5,750.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.