Home / 11,030.32-15,222.12-6,316.12

Finding the Fourth Proportional to 11,030.32, 15,222.12 and 6,316.12

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Solution

The fourth proportional to 11,030.32, 15,222.12 and 6,316.12 is: 8,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.32 : 15,222.12 = 6,316.12 : x
  2. Step 2: Convert to fraction form
    11,030.32/15,222.12 = 6,316.12/x
  3. Step 3: Cross multiply
    11,030.32x = 15,222.12 × 6,316.12
  4. Step 4: Simplify right side
    11,030.32x = 96,144,736.57
  5. Step 5: Solve for x
    x = 96,144,736.57/11,030.32
  6. Step 6: Final answer
    x = 8,716.41

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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.