Home / 10,039.76-13,853.66-5,563.56

Finding the Fourth Proportional to 10,039.76, 13,853.66 and 5,563.56

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Solution

The fourth proportional to 10,039.76, 13,853.66 and 5,563.56 is: 7,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.76 : 13,853.66 = 5,563.56 : x
  2. Step 2: Convert to fraction form
    10,039.76/13,853.66 = 5,563.56/x
  3. Step 3: Cross multiply
    10,039.76x = 13,853.66 × 5,563.56
  4. Step 4: Simplify right side
    10,039.76x = 77,075,640.81
  5. Step 5: Solve for x
    x = 77,075,640.81/10,039.76
  6. Step 6: Final answer
    x = 7,677.04

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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.