Home / 8,756.48-13,132.78-2,515.10

Finding the Fourth Proportional to 8,756.48, 13,132.78 and 2,515.10

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Solution

The fourth proportional to 8,756.48, 13,132.78 and 2,515.10 is: 3,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.48 : 13,132.78 = 2,515.10 : x
  2. Step 2: Convert to fraction form
    8,756.48/13,132.78 = 2,515.10/x
  3. Step 3: Cross multiply
    8,756.48x = 13,132.78 × 2,515.10
  4. Step 4: Simplify right side
    8,756.48x = 33,030,271.05
  5. Step 5: Solve for x
    x = 33,030,271.05/8,756.48
  6. Step 6: Final answer
    x = 3,772.09

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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.