Home / 10,685.36-14,742.56-6,208.24

Finding the Fourth Proportional to 10,685.36, 14,742.56 and 6,208.24

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Solution

The fourth proportional to 10,685.36, 14,742.56 and 6,208.24 is: 8,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.36 : 14,742.56 = 6,208.24 : x
  2. Step 2: Convert to fraction form
    10,685.36/14,742.56 = 6,208.24/x
  3. Step 3: Cross multiply
    10,685.36x = 14,742.56 × 6,208.24
  4. Step 4: Simplify right side
    10,685.36x = 91,525,350.69
  5. Step 5: Solve for x
    x = 91,525,350.69/10,685.36
  6. Step 6: Final answer
    x = 8,565.49

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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.