Home / 10,739.13-14,826.47-7,019.61

Finding the Fourth Proportional to 10,739.13, 14,826.47 and 7,019.61

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Solution

The fourth proportional to 10,739.13, 14,826.47 and 7,019.61 is: 9,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.13 : 14,826.47 = 7,019.61 : x
  2. Step 2: Convert to fraction form
    10,739.13/14,826.47 = 7,019.61/x
  3. Step 3: Cross multiply
    10,739.13x = 14,826.47 × 7,019.61
  4. Step 4: Simplify right side
    10,739.13x = 104,076,037.08
  5. Step 5: Solve for x
    x = 104,076,037.08/10,739.13
  6. Step 6: Final answer
    x = 9,691.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.