Home / 9,070.21-12,516.76-5,091.25

Finding the Fourth Proportional to 9,070.21, 12,516.76 and 5,091.25

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Solution

The fourth proportional to 9,070.21, 12,516.76 and 5,091.25 is: 7,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.21 : 12,516.76 = 5,091.25 : x
  2. Step 2: Convert to fraction form
    9,070.21/12,516.76 = 5,091.25/x
  3. Step 3: Cross multiply
    9,070.21x = 12,516.76 × 5,091.25
  4. Step 4: Simplify right side
    9,070.21x = 63,725,954.35
  5. Step 5: Solve for x
    x = 63,725,954.35/9,070.21
  6. Step 6: Final answer
    x = 7,025.85

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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.