Home / 10,636.15-14,677.63-5,920.87

Finding the Fourth Proportional to 10,636.15, 14,677.63 and 5,920.87

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Solution

The fourth proportional to 10,636.15, 14,677.63 and 5,920.87 is: 8,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.15 : 14,677.63 = 5,920.87 : x
  2. Step 2: Convert to fraction form
    10,636.15/14,677.63 = 5,920.87/x
  3. Step 3: Cross multiply
    10,636.15x = 14,677.63 × 5,920.87
  4. Step 4: Simplify right side
    10,636.15x = 86,904,339.14
  5. Step 5: Solve for x
    x = 86,904,339.14/10,636.15
  6. Step 6: Final answer
    x = 8,170.66

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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.