Home / 9,655.99-13,325.04-5,677.21

Finding the Fourth Proportional to 9,655.99, 13,325.04 and 5,677.21

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Solution

The fourth proportional to 9,655.99, 13,325.04 and 5,677.21 is: 7,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.99 : 13,325.04 = 5,677.21 : x
  2. Step 2: Convert to fraction form
    9,655.99/13,325.04 = 5,677.21/x
  3. Step 3: Cross multiply
    9,655.99x = 13,325.04 × 5,677.21
  4. Step 4: Simplify right side
    9,655.99x = 75,649,050.34
  5. Step 5: Solve for x
    x = 75,649,050.34/9,655.99
  6. Step 6: Final answer
    x = 7,834.42

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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.