Home / 11,577.81-15,977.37-6,272.63

Finding the Fourth Proportional to 11,577.81, 15,977.37 and 6,272.63

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Solution

The fourth proportional to 11,577.81, 15,977.37 and 6,272.63 is: 8,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.81 : 15,977.37 = 6,272.63 : x
  2. Step 2: Convert to fraction form
    11,577.81/15,977.37 = 6,272.63/x
  3. Step 3: Cross multiply
    11,577.81x = 15,977.37 × 6,272.63
  4. Step 4: Simplify right side
    11,577.81x = 100,220,130.38
  5. Step 5: Solve for x
    x = 100,220,130.38/11,577.81
  6. Step 6: Final answer
    x = 8,656.23

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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.