Home / 8,316.45-11,478.63-5,484.33

Finding the Fourth Proportional to 8,316.45, 11,478.63 and 5,484.33

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Solution

The fourth proportional to 8,316.45, 11,478.63 and 5,484.33 is: 7,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.45 : 11,478.63 = 5,484.33 : x
  2. Step 2: Convert to fraction form
    8,316.45/11,478.63 = 5,484.33/x
  3. Step 3: Cross multiply
    8,316.45x = 11,478.63 × 5,484.33
  4. Step 4: Simplify right side
    8,316.45x = 62,952,594.87
  5. Step 5: Solve for x
    x = 62,952,594.87/8,316.45
  6. Step 6: Final answer
    x = 7,569.65

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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.