Home / 9,009.68-13,516.60-3,166.32

Finding the Fourth Proportional to 9,009.68, 13,516.60 and 3,166.32

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Solution

The fourth proportional to 9,009.68, 13,516.60 and 3,166.32 is: 4,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.68 : 13,516.60 = 3,166.32 : x
  2. Step 2: Convert to fraction form
    9,009.68/13,516.60 = 3,166.32/x
  3. Step 3: Cross multiply
    9,009.68x = 13,516.60 × 3,166.32
  4. Step 4: Simplify right side
    9,009.68x = 42,797,880.91
  5. Step 5: Solve for x
    x = 42,797,880.91/9,009.68
  6. Step 6: Final answer
    x = 4,750.21

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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.