Home / 10,398.86-14,350.44-5,683.16

Finding the Fourth Proportional to 10,398.86, 14,350.44 and 5,683.16

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Solution

The fourth proportional to 10,398.86, 14,350.44 and 5,683.16 is: 7,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.86 : 14,350.44 = 5,683.16 : x
  2. Step 2: Convert to fraction form
    10,398.86/14,350.44 = 5,683.16/x
  3. Step 3: Cross multiply
    10,398.86x = 14,350.44 × 5,683.16
  4. Step 4: Simplify right side
    10,398.86x = 81,555,846.59
  5. Step 5: Solve for x
    x = 81,555,846.59/10,398.86
  6. Step 6: Final answer
    x = 7,842.77

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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.