Home / 10,369.28-14,309.92-5,653.68

Finding the Fourth Proportional to 10,369.28, 14,309.92 and 5,653.68

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Solution

The fourth proportional to 10,369.28, 14,309.92 and 5,653.68 is: 7,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.28 : 14,309.92 = 5,653.68 : x
  2. Step 2: Convert to fraction form
    10,369.28/14,309.92 = 5,653.68/x
  3. Step 3: Cross multiply
    10,369.28x = 14,309.92 × 5,653.68
  4. Step 4: Simplify right side
    10,369.28x = 80,903,708.51
  5. Step 5: Solve for x
    x = 80,903,708.51/10,369.28
  6. Step 6: Final answer
    x = 7,802.25

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1.5x scale

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.