Home / 10,358.77-15,534.73-4,120.33

Finding the Fourth Proportional to 10,358.77, 15,534.73 and 4,120.33

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Solution

The fourth proportional to 10,358.77, 15,534.73 and 4,120.33 is: 6,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.77 : 15,534.73 = 4,120.33 : x
  2. Step 2: Convert to fraction form
    10,358.77/15,534.73 = 4,120.33/x
  3. Step 3: Cross multiply
    10,358.77x = 15,534.73 × 4,120.33
  4. Step 4: Simplify right side
    10,358.77x = 64,008,214.06
  5. Step 5: Solve for x
    x = 64,008,214.06/10,358.77
  6. Step 6: Final answer
    x = 6,179.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.