Home / 12,859.32-19,299.24-5,073.60

Finding the Fourth Proportional to 12,859.32, 19,299.24 and 5,073.60

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Solution

The fourth proportional to 12,859.32, 19,299.24 and 5,073.60 is: 7,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.32 : 19,299.24 = 5,073.60 : x
  2. Step 2: Convert to fraction form
    12,859.32/19,299.24 = 5,073.60/x
  3. Step 3: Cross multiply
    12,859.32x = 19,299.24 × 5,073.60
  4. Step 4: Simplify right side
    12,859.32x = 97,916,624.06
  5. Step 5: Solve for x
    x = 97,916,624.06/12,859.32
  6. Step 6: Final answer
    x = 7,614.45

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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.