Home / 11,574.72-17,357.98-4,177.20

Finding the Fourth Proportional to 11,574.72, 17,357.98 and 4,177.20

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Solution

The fourth proportional to 11,574.72, 17,357.98 and 4,177.20 is: 6,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.72 : 17,357.98 = 4,177.20 : x
  2. Step 2: Convert to fraction form
    11,574.72/17,357.98 = 4,177.20/x
  3. Step 3: Cross multiply
    11,574.72x = 17,357.98 × 4,177.20
  4. Step 4: Simplify right side
    11,574.72x = 72,507,754.06
  5. Step 5: Solve for x
    x = 72,507,754.06/11,574.72
  6. Step 6: Final answer
    x = 6,264.32

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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.