Home / 8,316.95-11,479.32-5,484.83

Finding the Fourth Proportional to 8,316.95, 11,479.32 and 5,484.83

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Solution

The fourth proportional to 8,316.95, 11,479.32 and 5,484.83 is: 7,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.95 : 11,479.32 = 5,484.83 : x
  2. Step 2: Convert to fraction form
    8,316.95/11,479.32 = 5,484.83/x
  3. Step 3: Cross multiply
    8,316.95x = 11,479.32 × 5,484.83
  4. Step 4: Simplify right side
    8,316.95x = 62,962,118.72
  5. Step 5: Solve for x
    x = 62,962,118.72/8,316.95
  6. Step 6: Final answer
    x = 7,570.34

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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.