Home / 12,001.08-16,561.08-6,695.76

Finding the Fourth Proportional to 12,001.08, 16,561.08 and 6,695.76

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Solution

The fourth proportional to 12,001.08, 16,561.08 and 6,695.76 is: 9,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.08 : 16,561.08 = 6,695.76 : x
  2. Step 2: Convert to fraction form
    12,001.08/16,561.08 = 6,695.76/x
  3. Step 3: Cross multiply
    12,001.08x = 16,561.08 × 6,695.76
  4. Step 4: Simplify right side
    12,001.08x = 110,889,017.02
  5. Step 5: Solve for x
    x = 110,889,017.02/12,001.08
  6. Step 6: Final answer
    x = 9,239.92

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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.