Home / 8,609.19-11,880.64-5,026.61

Finding the Fourth Proportional to 8,609.19, 11,880.64 and 5,026.61

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Solution

The fourth proportional to 8,609.19, 11,880.64 and 5,026.61 is: 6,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.19 : 11,880.64 = 5,026.61 : x
  2. Step 2: Convert to fraction form
    8,609.19/11,880.64 = 5,026.61/x
  3. Step 3: Cross multiply
    8,609.19x = 11,880.64 × 5,026.61
  4. Step 4: Simplify right side
    8,609.19x = 59,719,312.99
  5. Step 5: Solve for x
    x = 59,719,312.99/8,609.19
  6. Step 6: Final answer
    x = 6,936.70

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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.