Home / 9,867.45-13,615.26-5,618.26

Finding the Fourth Proportional to 9,867.45, 13,615.26 and 5,618.26

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Solution

The fourth proportional to 9,867.45, 13,615.26 and 5,618.26 is: 7,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.45 : 13,615.26 = 5,618.26 : x
  2. Step 2: Convert to fraction form
    9,867.45/13,615.26 = 5,618.26/x
  3. Step 3: Cross multiply
    9,867.45x = 13,615.26 × 5,618.26
  4. Step 4: Simplify right side
    9,867.45x = 76,494,066.60
  5. Step 5: Solve for x
    x = 76,494,066.60/9,867.45
  6. Step 6: Final answer
    x = 7,752.16

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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.