Home / 9,784.97-14,664.26-7,140.07

Finding the Fourth Proportional to 9,784.97, 14,664.26 and 7,140.07

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Solution

The fourth proportional to 9,784.97, 14,664.26 and 7,140.07 is: 10,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784.97 : 14,664.26 = 7,140.07 : x
  2. Step 2: Convert to fraction form
    9,784.97/14,664.26 = 7,140.07/x
  3. Step 3: Cross multiply
    9,784.97x = 14,664.26 × 7,140.07
  4. Step 4: Simplify right side
    9,784.97x = 104,703,871.41
  5. Step 5: Solve for x
    x = 104,703,871.41/9,784.97
  6. Step 6: Final answer
    x = 10,700.48

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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.