Home / 9,955.85-14,933.63-3,386.61

Finding the Fourth Proportional to 9,955.85, 14,933.63 and 3,386.61

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Solution

The fourth proportional to 9,955.85, 14,933.63 and 3,386.61 is: 5,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.85 : 14,933.63 = 3,386.61 : x
  2. Step 2: Convert to fraction form
    9,955.85/14,933.63 = 3,386.61/x
  3. Step 3: Cross multiply
    9,955.85x = 14,933.63 × 3,386.61
  4. Step 4: Simplify right side
    9,955.85x = 50,574,389.16
  5. Step 5: Solve for x
    x = 50,574,389.16/9,955.85
  6. Step 6: Final answer
    x = 5,079.87

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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.