Home / 10,975.64-15,149.79-6,263.06

Finding the Fourth Proportional to 10,975.64, 15,149.79 and 6,263.06

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Solution

The fourth proportional to 10,975.64, 15,149.79 and 6,263.06 is: 8,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.64 : 15,149.79 = 6,263.06 : x
  2. Step 2: Convert to fraction form
    10,975.64/15,149.79 = 6,263.06/x
  3. Step 3: Cross multiply
    10,975.64x = 15,149.79 × 6,263.06
  4. Step 4: Simplify right side
    10,975.64x = 94,884,043.76
  5. Step 5: Solve for x
    x = 94,884,043.76/10,975.64
  6. Step 6: Final answer
    x = 8,644.97

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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.