Home / 9,655.20-13,325.72-5,677.29

Finding the Fourth Proportional to 9,655.20, 13,325.72 and 5,677.29

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Solution

The fourth proportional to 9,655.20, 13,325.72 and 5,677.29 is: 7,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.20 : 13,325.72 = 5,677.29 : x
  2. Step 2: Convert to fraction form
    9,655.20/13,325.72 = 5,677.29/x
  3. Step 3: Cross multiply
    9,655.20x = 13,325.72 × 5,677.29
  4. Step 4: Simplify right side
    9,655.20x = 75,653,948.51
  5. Step 5: Solve for x
    x = 75,653,948.51/9,655.20
  6. Step 6: Final answer
    x = 7,835.57

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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.