Home / 10,040.96-15,075.24-5,113.92

Finding the Fourth Proportional to 10,040.96, 15,075.24 and 5,113.92

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Solution

The fourth proportional to 10,040.96, 15,075.24 and 5,113.92 is: 7,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.96 : 15,075.24 = 5,113.92 : x
  2. Step 2: Convert to fraction form
    10,040.96/15,075.24 = 5,113.92/x
  3. Step 3: Cross multiply
    10,040.96x = 15,075.24 × 5,113.92
  4. Step 4: Simplify right side
    10,040.96x = 77,093,571.34
  5. Step 5: Solve for x
    x = 77,093,571.34/10,040.96
  6. Step 6: Final answer
    x = 7,677.91

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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.