Home / 8,448.10-12,672.25-5,117.07

Finding the Fourth Proportional to 8,448.10, 12,672.25 and 5,117.07

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Solution

The fourth proportional to 8,448.10, 12,672.25 and 5,117.07 is: 7,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.10 : 12,672.25 = 5,117.07 : x
  2. Step 2: Convert to fraction form
    8,448.10/12,672.25 = 5,117.07/x
  3. Step 3: Cross multiply
    8,448.10x = 12,672.25 × 5,117.07
  4. Step 4: Simplify right side
    8,448.10x = 64,844,825.04
  5. Step 5: Solve for x
    x = 64,844,825.04/8,448.10
  6. Step 6: Final answer
    x = 7,675.67

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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.