Home / 10,047.24-13,865.36-5,571.18

Finding the Fourth Proportional to 10,047.24, 13,865.36 and 5,571.18

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Solution

The fourth proportional to 10,047.24, 13,865.36 and 5,571.18 is: 7,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.24 : 13,865.36 = 5,571.18 : x
  2. Step 2: Convert to fraction form
    10,047.24/13,865.36 = 5,571.18/x
  3. Step 3: Cross multiply
    10,047.24x = 13,865.36 × 5,571.18
  4. Step 4: Simplify right side
    10,047.24x = 77,246,388.47
  5. Step 5: Solve for x
    x = 77,246,388.47/10,047.24
  6. Step 6: Final answer
    x = 7,688.32

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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.