Home / 8,926.16-13,399.64-5,231.12

Finding the Fourth Proportional to 8,926.16, 13,399.64 and 5,231.12

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Solution

The fourth proportional to 8,926.16, 13,399.64 and 5,231.12 is: 7,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.16 : 13,399.64 = 5,231.12 : x
  2. Step 2: Convert to fraction form
    8,926.16/13,399.64 = 5,231.12/x
  3. Step 3: Cross multiply
    8,926.16x = 13,399.64 × 5,231.12
  4. Step 4: Simplify right side
    8,926.16x = 70,095,124.80
  5. Step 5: Solve for x
    x = 70,095,124.80/8,926.16
  6. Step 6: Final answer
    x = 7,852.77

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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.