Home / 10,011.76-15,017.22-2,515.30

Finding the Fourth Proportional to 10,011.76, 15,017.22 and 2,515.30

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Solution

The fourth proportional to 10,011.76, 15,017.22 and 2,515.30 is: 3,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.76 : 15,017.22 = 2,515.30 : x
  2. Step 2: Convert to fraction form
    10,011.76/15,017.22 = 2,515.30/x
  3. Step 3: Cross multiply
    10,011.76x = 15,017.22 × 2,515.30
  4. Step 4: Simplify right side
    10,011.76x = 37,772,813.47
  5. Step 5: Solve for x
    x = 37,772,813.47/10,011.76
  6. Step 6: Final answer
    x = 3,772.84

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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.