Home / 7,926.23-11,890.26-4,639.35

Finding the Fourth Proportional to 7,926.23, 11,890.26 and 4,639.35

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Solution

The fourth proportional to 7,926.23, 11,890.26 and 4,639.35 is: 6,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.23 : 11,890.26 = 4,639.35 : x
  2. Step 2: Convert to fraction form
    7,926.23/11,890.26 = 4,639.35/x
  3. Step 3: Cross multiply
    7,926.23x = 11,890.26 × 4,639.35
  4. Step 4: Simplify right side
    7,926.23x = 55,163,122.32
  5. Step 5: Solve for x
    x = 55,163,122.32/7,926.23
  6. Step 6: Final answer
    x = 6,959.56

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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.