Home / 10,651.06-15,977.40-7,764.22

Finding the Fourth Proportional to 10,651.06, 15,977.40 and 7,764.22

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Solution

The fourth proportional to 10,651.06, 15,977.40 and 7,764.22 is: 11,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.06 : 15,977.40 = 7,764.22 : x
  2. Step 2: Convert to fraction form
    10,651.06/15,977.40 = 7,764.22/x
  3. Step 3: Cross multiply
    10,651.06x = 15,977.40 × 7,764.22
  4. Step 4: Simplify right side
    10,651.06x = 124,052,048.63
  5. Step 5: Solve for x
    x = 124,052,048.63/10,651.06
  6. Step 6: Final answer
    x = 11,646.92

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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.