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Finding the Fourth Proportional to 9,247.00, 12,760.86 and 4,998.05

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Solution

The fourth proportional to 9,247.00, 12,760.86 and 4,998.05 is: 6,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.00 : 12,760.86 = 4,998.05 : x
  2. Step 2: Convert to fraction form
    9,247.00/12,760.86 = 4,998.05/x
  3. Step 3: Cross multiply
    9,247.00x = 12,760.86 × 4,998.05
  4. Step 4: Simplify right side
    9,247.00x = 63,779,448.23
  5. Step 5: Solve for x
    x = 63,779,448.23/9,247.00
  6. Step 6: Final answer
    x = 6,897.31

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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.