Home / 12,045.88-16,622.76-6,668.52

Finding the Fourth Proportional to 12,045.88, 16,622.76 and 6,668.52

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Solution

The fourth proportional to 12,045.88, 16,622.76 and 6,668.52 is: 9,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.88 : 16,622.76 = 6,668.52 : x
  2. Step 2: Convert to fraction form
    12,045.88/16,622.76 = 6,668.52/x
  3. Step 3: Cross multiply
    12,045.88x = 16,622.76 × 6,668.52
  4. Step 4: Simplify right side
    12,045.88x = 110,849,170.19
  5. Step 5: Solve for x
    x = 110,849,170.19/12,045.88
  6. Step 6: Final answer
    x = 9,202.25

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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.