Home / 9,897.27-13,644.15-6,118.30

Finding the Fourth Proportional to 9,897.27, 13,644.15 and 6,118.30

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Solution

The fourth proportional to 9,897.27, 13,644.15 and 6,118.30 is: 8,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,897.27 : 13,644.15 = 6,118.30 : x
  2. Step 2: Convert to fraction form
    9,897.27/13,644.15 = 6,118.30/x
  3. Step 3: Cross multiply
    9,897.27x = 13,644.15 × 6,118.30
  4. Step 4: Simplify right side
    9,897.27x = 83,478,904.13
  5. Step 5: Solve for x
    x = 83,478,904.13/9,897.27
  6. Step 6: Final answer
    x = 8,434.54

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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.