Home / 12,039.24-16,614.27-6,661.40

Finding the Fourth Proportional to 12,039.24, 16,614.27 and 6,661.40

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Solution

The fourth proportional to 12,039.24, 16,614.27 and 6,661.40 is: 9,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.24 : 16,614.27 = 6,661.40 : x
  2. Step 2: Convert to fraction form
    12,039.24/16,614.27 = 6,661.40/x
  3. Step 3: Cross multiply
    12,039.24x = 16,614.27 × 6,661.40
  4. Step 4: Simplify right side
    12,039.24x = 110,674,298.18
  5. Step 5: Solve for x
    x = 110,674,298.18/12,039.24
  6. Step 6: Final answer
    x = 9,192.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.