Home / 11,117.25-15,343.63-6,404.27

Finding the Fourth Proportional to 11,117.25, 15,343.63 and 6,404.27

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Solution

The fourth proportional to 11,117.25, 15,343.63 and 6,404.27 is: 8,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.25 : 15,343.63 = 6,404.27 : x
  2. Step 2: Convert to fraction form
    11,117.25/15,343.63 = 6,404.27/x
  3. Step 3: Cross multiply
    11,117.25x = 15,343.63 × 6,404.27
  4. Step 4: Simplify right side
    11,117.25x = 98,264,656.57
  5. Step 5: Solve for x
    x = 98,264,656.57/11,117.25
  6. Step 6: Final answer
    x = 8,838.94

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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.