Home / 12,045.24-16,622.49-6,740.13

Finding the Fourth Proportional to 12,045.24, 16,622.49 and 6,740.13

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Solution

The fourth proportional to 12,045.24, 16,622.49 and 6,740.13 is: 9,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.24 : 16,622.49 = 6,740.13 : x
  2. Step 2: Convert to fraction form
    12,045.24/16,622.49 = 6,740.13/x
  3. Step 3: Cross multiply
    12,045.24x = 16,622.49 × 6,740.13
  4. Step 4: Simplify right side
    12,045.24x = 112,037,743.52
  5. Step 5: Solve for x
    x = 112,037,743.52/12,045.24
  6. Step 6: Final answer
    x = 9,301.41

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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.