Home / 11,476.64-15,837.20-6,507.68

Finding the Fourth Proportional to 11,476.64, 15,837.20 and 6,507.68

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Solution

The fourth proportional to 11,476.64, 15,837.20 and 6,507.68 is: 8,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.64 : 15,837.20 = 6,507.68 : x
  2. Step 2: Convert to fraction form
    11,476.64/15,837.20 = 6,507.68/x
  3. Step 3: Cross multiply
    11,476.64x = 15,837.20 × 6,507.68
  4. Step 4: Simplify right side
    11,476.64x = 103,063,429.70
  5. Step 5: Solve for x
    x = 103,063,429.70/11,476.64
  6. Step 6: Final answer
    x = 8,980.28

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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.