Home / 9,297.22-12,830.18-5,318.36

Finding the Fourth Proportional to 9,297.22, 12,830.18 and 5,318.36

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Solution

The fourth proportional to 9,297.22, 12,830.18 and 5,318.36 is: 7,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,297.22 : 12,830.18 = 5,318.36 : x
  2. Step 2: Convert to fraction form
    9,297.22/12,830.18 = 5,318.36/x
  3. Step 3: Cross multiply
    9,297.22x = 12,830.18 × 5,318.36
  4. Step 4: Simplify right side
    9,297.22x = 68,235,516.10
  5. Step 5: Solve for x
    x = 68,235,516.10/9,297.22
  6. Step 6: Final answer
    x = 7,339.35

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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.