Home / 8,501.28-11,736.04-5,316.34

Finding the Fourth Proportional to 8,501.28, 11,736.04 and 5,316.34

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Solution

The fourth proportional to 8,501.28, 11,736.04 and 5,316.34 is: 7,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.28 : 11,736.04 = 5,316.34 : x
  2. Step 2: Convert to fraction form
    8,501.28/11,736.04 = 5,316.34/x
  3. Step 3: Cross multiply
    8,501.28x = 11,736.04 × 5,316.34
  4. Step 4: Simplify right side
    8,501.28x = 62,392,778.89
  5. Step 5: Solve for x
    x = 62,392,778.89/8,501.28
  6. Step 6: Final answer
    x = 7,339.22

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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.