Home / 8,316.36-11,478.15-5,332.11

Finding the Fourth Proportional to 8,316.36, 11,478.15 and 5,332.11

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Solution

The fourth proportional to 8,316.36, 11,478.15 and 5,332.11 is: 7,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.36 : 11,478.15 = 5,332.11 : x
  2. Step 2: Convert to fraction form
    8,316.36/11,478.15 = 5,332.11/x
  3. Step 3: Cross multiply
    8,316.36x = 11,478.15 × 5,332.11
  4. Step 4: Simplify right side
    8,316.36x = 61,202,758.40
  5. Step 5: Solve for x
    x = 61,202,758.40/8,316.36
  6. Step 6: Final answer
    x = 7,359.32

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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.