Home / 9,650.50-13,318.05-5,458.66

Finding the Fourth Proportional to 9,650.50, 13,318.05 and 5,458.66

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Solution

The fourth proportional to 9,650.50, 13,318.05 and 5,458.66 is: 7,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,650.50 : 13,318.05 = 5,458.66 : x
  2. Step 2: Convert to fraction form
    9,650.50/13,318.05 = 5,458.66/x
  3. Step 3: Cross multiply
    9,650.50x = 13,318.05 × 5,458.66
  4. Step 4: Simplify right side
    9,650.50x = 72,698,706.81
  5. Step 5: Solve for x
    x = 72,698,706.81/9,650.50
  6. Step 6: Final answer
    x = 7,533.15

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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.