Home / 8,316.99-11,477.69-4,540.40

Finding the Fourth Proportional to 8,316.99, 11,477.69 and 4,540.40

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Solution

The fourth proportional to 8,316.99, 11,477.69 and 4,540.40 is: 6,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.99 : 11,477.69 = 4,540.40 : x
  2. Step 2: Convert to fraction form
    8,316.99/11,477.69 = 4,540.40/x
  3. Step 3: Cross multiply
    8,316.99x = 11,477.69 × 4,540.40
  4. Step 4: Simplify right side
    8,316.99x = 52,113,257.64
  5. Step 5: Solve for x
    x = 52,113,257.64/8,316.99
  6. Step 6: Final answer
    x = 6,265.88

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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.