Home / 9,421.85-14,116.14-5,716.55

Finding the Fourth Proportional to 9,421.85, 14,116.14 and 5,716.55

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Solution

The fourth proportional to 9,421.85, 14,116.14 and 5,716.55 is: 8,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.85 : 14,116.14 = 5,716.55 : x
  2. Step 2: Convert to fraction form
    9,421.85/14,116.14 = 5,716.55/x
  3. Step 3: Cross multiply
    9,421.85x = 14,116.14 × 5,716.55
  4. Step 4: Simplify right side
    9,421.85x = 80,695,655.41
  5. Step 5: Solve for x
    x = 80,695,655.41/9,421.85
  6. Step 6: Final answer
    x = 8,564.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.