Home / 11,948.16-17,925.12-7,021.92

Finding the Fourth Proportional to 11,948.16, 17,925.12 and 7,021.92

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Solution

The fourth proportional to 11,948.16, 17,925.12 and 7,021.92 is: 10,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.16 : 17,925.12 = 7,021.92 : x
  2. Step 2: Convert to fraction form
    11,948.16/17,925.12 = 7,021.92/x
  3. Step 3: Cross multiply
    11,948.16x = 17,925.12 × 7,021.92
  4. Step 4: Simplify right side
    11,948.16x = 125,868,758.63
  5. Step 5: Solve for x
    x = 125,868,758.63/11,948.16
  6. Step 6: Final answer
    x = 10,534.57

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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.