Home / 46,920.12-70,382.60-11,860.08

Finding the Fourth Proportional to 46,920.12, 70,382.60 and 11,860.08

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Solution

The fourth proportional to 46,920.12, 70,382.60 and 11,860.08 is: 17,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,920.12 : 70,382.60 = 11,860.08 : x
  2. Step 2: Convert to fraction form
    46,920.12/70,382.60 = 11,860.08/x
  3. Step 3: Cross multiply
    46,920.12x = 70,382.60 × 11,860.08
  4. Step 4: Simplify right side
    46,920.12x = 834,743,266.61
  5. Step 5: Solve for x
    x = 834,743,266.61/46,920.12
  6. Step 6: Final answer
    x = 17,790.73

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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.