Home / 8,906.83-12,291.75-5,763.02

Finding the Fourth Proportional to 8,906.83, 12,291.75 and 5,763.02

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Solution

The fourth proportional to 8,906.83, 12,291.75 and 5,763.02 is: 7,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.83 : 12,291.75 = 5,763.02 : x
  2. Step 2: Convert to fraction form
    8,906.83/12,291.75 = 5,763.02/x
  3. Step 3: Cross multiply
    8,906.83x = 12,291.75 × 5,763.02
  4. Step 4: Simplify right side
    8,906.83x = 70,837,539.63
  5. Step 5: Solve for x
    x = 70,837,539.63/8,906.83
  6. Step 6: Final answer
    x = 7,953.17

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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.