Home / 10,448.05-15,653.86-8,704.26

Finding the Fourth Proportional to 10,448.05, 15,653.86 and 8,704.26

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Solution

The fourth proportional to 10,448.05, 15,653.86 and 8,704.26 is: 13,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.05 : 15,653.86 = 8,704.26 : x
  2. Step 2: Convert to fraction form
    10,448.05/15,653.86 = 8,704.26/x
  3. Step 3: Cross multiply
    10,448.05x = 15,653.86 × 8,704.26
  4. Step 4: Simplify right side
    10,448.05x = 136,255,219.62
  5. Step 5: Solve for x
    x = 136,255,219.62/10,448.05
  6. Step 6: Final answer
    x = 13,041.21

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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.