Home / 12,668.19-17,482.91-7,292.45

Finding the Fourth Proportional to 12,668.19, 17,482.91 and 7,292.45

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Solution

The fourth proportional to 12,668.19, 17,482.91 and 7,292.45 is: 10,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.19 : 17,482.91 = 7,292.45 : x
  2. Step 2: Convert to fraction form
    12,668.19/17,482.91 = 7,292.45/x
  3. Step 3: Cross multiply
    12,668.19x = 17,482.91 × 7,292.45
  4. Step 4: Simplify right side
    12,668.19x = 127,493,123.15
  5. Step 5: Solve for x
    x = 127,493,123.15/12,668.19
  6. Step 6: Final answer
    x = 10,064.04

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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.