Home / 12,434.99-18,655.56-5,859.63

Finding the Fourth Proportional to 12,434.99, 18,655.56 and 5,859.63

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Solution

The fourth proportional to 12,434.99, 18,655.56 and 5,859.63 is: 8,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.99 : 18,655.56 = 5,859.63 : x
  2. Step 2: Convert to fraction form
    12,434.99/18,655.56 = 5,859.63/x
  3. Step 3: Cross multiply
    12,434.99x = 18,655.56 × 5,859.63
  4. Step 4: Simplify right side
    12,434.99x = 109,314,679.04
  5. Step 5: Solve for x
    x = 109,314,679.04/12,434.99
  6. Step 6: Final answer
    x = 8,790.90

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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.