Home / 9,070.61-12,516.76-5,090.96

Finding the Fourth Proportional to 9,070.61, 12,516.76 and 5,090.96

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Solution

The fourth proportional to 9,070.61, 12,516.76 and 5,090.96 is: 7,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.61 : 12,516.76 = 5,090.96 : x
  2. Step 2: Convert to fraction form
    9,070.61/12,516.76 = 5,090.96/x
  3. Step 3: Cross multiply
    9,070.61x = 12,516.76 × 5,090.96
  4. Step 4: Simplify right side
    9,070.61x = 63,722,236.45
  5. Step 5: Solve for x
    x = 63,722,236.45/9,070.61
  6. Step 6: Final answer
    x = 7,025.13

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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.