Home / 11,307.40-16,958.36-4,738.50

Finding the Fourth Proportional to 11,307.40, 16,958.36 and 4,738.50

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Solution

The fourth proportional to 11,307.40, 16,958.36 and 4,738.50 is: 7,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.40 : 16,958.36 = 4,738.50 : x
  2. Step 2: Convert to fraction form
    11,307.40/16,958.36 = 4,738.50/x
  3. Step 3: Cross multiply
    11,307.40x = 16,958.36 × 4,738.50
  4. Step 4: Simplify right side
    11,307.40x = 80,357,200.71
  5. Step 5: Solve for x
    x = 80,357,200.71/11,307.40
  6. Step 6: Final answer
    x = 7,106.60

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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.