Home / 9,315.81-13,974.69-4,636.98

Finding the Fourth Proportional to 9,315.81, 13,974.69 and 4,636.98

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Solution

The fourth proportional to 9,315.81, 13,974.69 and 4,636.98 is: 6,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.81 : 13,974.69 = 4,636.98 : x
  2. Step 2: Convert to fraction form
    9,315.81/13,974.69 = 4,636.98/x
  3. Step 3: Cross multiply
    9,315.81x = 13,974.69 × 4,636.98
  4. Step 4: Simplify right side
    9,315.81x = 64,800,375.42
  5. Step 5: Solve for x
    x = 64,800,375.42/9,315.81
  6. Step 6: Final answer
    x = 6,955.96

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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.