Home / 11,307.30-16,955.25-6,628.42

Finding the Fourth Proportional to 11,307.30, 16,955.25 and 6,628.42

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Solution

The fourth proportional to 11,307.30, 16,955.25 and 6,628.42 is: 9,939.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.30 : 16,955.25 = 6,628.42 : x
  2. Step 2: Convert to fraction form
    11,307.30/16,955.25 = 6,628.42/x
  3. Step 3: Cross multiply
    11,307.30x = 16,955.25 × 6,628.42
  4. Step 4: Simplify right side
    11,307.30x = 112,386,518.21
  5. Step 5: Solve for x
    x = 112,386,518.21/11,307.30
  6. Step 6: Final answer
    x = 9,939.29

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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.