Home / 15,075.11-22,614.90-5,211.74

Finding the Fourth Proportional to 15,075.11, 22,614.90 and 5,211.74

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Solution

The fourth proportional to 15,075.11, 22,614.90 and 5,211.74 is: 7,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.11 : 22,614.90 = 5,211.74 : x
  2. Step 2: Convert to fraction form
    15,075.11/22,614.90 = 5,211.74/x
  3. Step 3: Cross multiply
    15,075.11x = 22,614.90 × 5,211.74
  4. Step 4: Simplify right side
    15,075.11x = 117,863,015.92
  5. Step 5: Solve for x
    x = 117,863,015.92/15,075.11
  6. Step 6: Final answer
    x = 7,818.38

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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.