Home / 11,152.29-15,390.36-6,116.46

Finding the Fourth Proportional to 11,152.29, 15,390.36 and 6,116.46

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Solution

The fourth proportional to 11,152.29, 15,390.36 and 6,116.46 is: 8,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.29 : 15,390.36 = 6,116.46 : x
  2. Step 2: Convert to fraction form
    11,152.29/15,390.36 = 6,116.46/x
  3. Step 3: Cross multiply
    11,152.29x = 15,390.36 × 6,116.46
  4. Step 4: Simplify right side
    11,152.29x = 94,134,556.10
  5. Step 5: Solve for x
    x = 94,134,556.10/11,152.29
  6. Step 6: Final answer
    x = 8,440.83

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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.