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Finding the Fourth Proportional to 11,568.71, 15,964.74 and 6,263.51

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Solution

The fourth proportional to 11,568.71, 15,964.74 and 6,263.51 is: 8,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.71 : 15,964.74 = 6,263.51 : x
  2. Step 2: Convert to fraction form
    11,568.71/15,964.74 = 6,263.51/x
  3. Step 3: Cross multiply
    11,568.71x = 15,964.74 × 6,263.51
  4. Step 4: Simplify right side
    11,568.71x = 99,995,228.81
  5. Step 5: Solve for x
    x = 99,995,228.81/11,568.71
  6. Step 6: Final answer
    x = 8,643.60

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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.