Home / 10,335.53-14,262.93-5,619.81

Finding the Fourth Proportional to 10,335.53, 14,262.93 and 5,619.81

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Solution

The fourth proportional to 10,335.53, 14,262.93 and 5,619.81 is: 7,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.53 : 14,262.93 = 5,619.81 : x
  2. Step 2: Convert to fraction form
    10,335.53/14,262.93 = 5,619.81/x
  3. Step 3: Cross multiply
    10,335.53x = 14,262.93 × 5,619.81
  4. Step 4: Simplify right side
    10,335.53x = 80,155,010.13
  5. Step 5: Solve for x
    x = 80,155,010.13/10,335.53
  6. Step 6: Final answer
    x = 7,755.29

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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.