Home / 11,223.93-15,488.89-6,188.02

Finding the Fourth Proportional to 11,223.93, 15,488.89 and 6,188.02

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Solution

The fourth proportional to 11,223.93, 15,488.89 and 6,188.02 is: 8,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.93 : 15,488.89 = 6,188.02 : x
  2. Step 2: Convert to fraction form
    11,223.93/15,488.89 = 6,188.02/x
  3. Step 3: Cross multiply
    11,223.93x = 15,488.89 × 6,188.02
  4. Step 4: Simplify right side
    11,223.93x = 95,845,561.10
  5. Step 5: Solve for x
    x = 95,845,561.10/11,223.93
  6. Step 6: Final answer
    x = 8,539.39

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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.