Home / 11,111.28-16,673.08-6,658.01

Finding the Fourth Proportional to 11,111.28, 16,673.08 and 6,658.01

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Solution

The fourth proportional to 11,111.28, 16,673.08 and 6,658.01 is: 9,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.28 : 16,673.08 = 6,658.01 : x
  2. Step 2: Convert to fraction form
    11,111.28/16,673.08 = 6,658.01/x
  3. Step 3: Cross multiply
    11,111.28x = 16,673.08 × 6,658.01
  4. Step 4: Simplify right side
    11,111.28x = 111,009,458.40
  5. Step 5: Solve for x
    x = 111,009,458.40/11,111.28
  6. Step 6: Final answer
    x = 9,990.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.