Home / 11,216.58-15,475.77-7,237.86

Finding the Fourth Proportional to 11,216.58, 15,475.77 and 7,237.86

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Solution

The fourth proportional to 11,216.58, 15,475.77 and 7,237.86 is: 9,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.58 : 15,475.77 = 7,237.86 : x
  2. Step 2: Convert to fraction form
    11,216.58/15,475.77 = 7,237.86/x
  3. Step 3: Cross multiply
    11,216.58x = 15,475.77 × 7,237.86
  4. Step 4: Simplify right side
    11,216.58x = 112,011,456.65
  5. Step 5: Solve for x
    x = 112,011,456.65/11,216.58
  6. Step 6: Final answer
    x = 9,986.24

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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.