Home / 6,316.27-8,711.31-5,558.41

Finding the Fourth Proportional to 6,316.27, 8,711.31 and 5,558.41

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Solution

The fourth proportional to 6,316.27, 8,711.31 and 5,558.41 is: 7,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.27 : 8,711.31 = 5,558.41 : x
  2. Step 2: Convert to fraction form
    6,316.27/8,711.31 = 5,558.41/x
  3. Step 3: Cross multiply
    6,316.27x = 8,711.31 × 5,558.41
  4. Step 4: Simplify right side
    6,316.27x = 48,421,032.62
  5. Step 5: Solve for x
    x = 48,421,032.62/6,316.27
  6. Step 6: Final answer
    x = 7,666.08

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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.