Home / 10,707.10-14,776.26-6,619.81

Finding the Fourth Proportional to 10,707.10, 14,776.26 and 6,619.81

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Solution

The fourth proportional to 10,707.10, 14,776.26 and 6,619.81 is: 9,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.10 : 14,776.26 = 6,619.81 : x
  2. Step 2: Convert to fraction form
    10,707.10/14,776.26 = 6,619.81/x
  3. Step 3: Cross multiply
    10,707.10x = 14,776.26 × 6,619.81
  4. Step 4: Simplify right side
    10,707.10x = 97,816,033.71
  5. Step 5: Solve for x
    x = 97,816,033.71/10,707.10
  6. Step 6: Final answer
    x = 9,135.62

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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.