Home / 10,636.25-14,678.03-5,920.54

Finding the Fourth Proportional to 10,636.25, 14,678.03 and 5,920.54

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Solution

The fourth proportional to 10,636.25, 14,678.03 and 5,920.54 is: 8,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.25 : 14,678.03 = 5,920.54 : x
  2. Step 2: Convert to fraction form
    10,636.25/14,678.03 = 5,920.54/x
  3. Step 3: Cross multiply
    10,636.25x = 14,678.03 × 5,920.54
  4. Step 4: Simplify right side
    10,636.25x = 86,901,863.74
  5. Step 5: Solve for x
    x = 86,901,863.74/10,636.25
  6. Step 6: Final answer
    x = 8,170.35

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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.