Home / 12,051.19-16,637.93-7,866.73

Finding the Fourth Proportional to 12,051.19, 16,637.93 and 7,866.73

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Solution

The fourth proportional to 12,051.19, 16,637.93 and 7,866.73 is: 10,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.19 : 16,637.93 = 7,866.73 : x
  2. Step 2: Convert to fraction form
    12,051.19/16,637.93 = 7,866.73/x
  3. Step 3: Cross multiply
    12,051.19x = 16,637.93 × 7,866.73
  4. Step 4: Simplify right side
    12,051.19x = 130,886,081.14
  5. Step 5: Solve for x
    x = 130,886,081.14/12,051.19
  6. Step 6: Final answer
    x = 10,860.85

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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.