Home / 9,142.40-13,713.93-4,698.87

Finding the Fourth Proportional to 9,142.40, 13,713.93 and 4,698.87

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Solution

The fourth proportional to 9,142.40, 13,713.93 and 4,698.87 is: 7,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.40 : 13,713.93 = 4,698.87 : x
  2. Step 2: Convert to fraction form
    9,142.40/13,713.93 = 4,698.87/x
  3. Step 3: Cross multiply
    9,142.40x = 13,713.93 × 4,698.87
  4. Step 4: Simplify right side
    9,142.40x = 64,439,974.26
  5. Step 5: Solve for x
    x = 64,439,974.26/9,142.40
  6. Step 6: Final answer
    x = 7,048.47

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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.