Home / 11,568.64-15,964.81-6,263.55

Finding the Fourth Proportional to 11,568.64, 15,964.81 and 6,263.55

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Solution

The fourth proportional to 11,568.64, 15,964.81 and 6,263.55 is: 8,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.64 : 15,964.81 = 6,263.55 : x
  2. Step 2: Convert to fraction form
    11,568.64/15,964.81 = 6,263.55/x
  3. Step 3: Cross multiply
    11,568.64x = 15,964.81 × 6,263.55
  4. Step 4: Simplify right side
    11,568.64x = 99,996,385.68
  5. Step 5: Solve for x
    x = 99,996,385.68/11,568.64
  6. Step 6: Final answer
    x = 8,643.75

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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.