Home / 8,673.15-11,969.37-5,316.15

Finding the Fourth Proportional to 8,673.15, 11,969.37 and 5,316.15

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Solution

The fourth proportional to 8,673.15, 11,969.37 and 5,316.15 is: 7,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.15 : 11,969.37 = 5,316.15 : x
  2. Step 2: Convert to fraction form
    8,673.15/11,969.37 = 5,316.15/x
  3. Step 3: Cross multiply
    8,673.15x = 11,969.37 × 5,316.15
  4. Step 4: Simplify right side
    8,673.15x = 63,630,966.33
  5. Step 5: Solve for x
    x = 63,630,966.33/8,673.15
  6. Step 6: Final answer
    x = 7,336.55

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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.