Home / 46,278.93-69,418.80-11,218.89

Finding the Fourth Proportional to 46,278.93, 69,418.80 and 11,218.89

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Solution

The fourth proportional to 46,278.93, 69,418.80 and 11,218.89 is: 16,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,278.93 : 69,418.80 = 11,218.89 : x
  2. Step 2: Convert to fraction form
    46,278.93/69,418.80 = 11,218.89/x
  3. Step 3: Cross multiply
    46,278.93x = 69,418.80 × 11,218.89
  4. Step 4: Simplify right side
    46,278.93x = 778,801,881.13
  5. Step 5: Solve for x
    x = 778,801,881.13/46,278.93
  6. Step 6: Final answer
    x = 16,828.43

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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.