Home / 11,287.08-15,576.14-6,507.00

Finding the Fourth Proportional to 11,287.08, 15,576.14 and 6,507.00

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Solution

The fourth proportional to 11,287.08, 15,576.14 and 6,507.00 is: 8,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.08 : 15,576.14 = 6,507.00 : x
  2. Step 2: Convert to fraction form
    11,287.08/15,576.14 = 6,507.00/x
  3. Step 3: Cross multiply
    11,287.08x = 15,576.14 × 6,507.00
  4. Step 4: Simplify right side
    11,287.08x = 101,353,847.78
  5. Step 5: Solve for x
    x = 101,353,847.78/11,287.08
  6. Step 6: Final answer
    x = 8,979.63

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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.