Home / 6,649.32-9,180.47-5,134.14

Finding the Fourth Proportional to 6,649.32, 9,180.47 and 5,134.14

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Solution

The fourth proportional to 6,649.32, 9,180.47 and 5,134.14 is: 7,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.32 : 9,180.47 = 5,134.14 : x
  2. Step 2: Convert to fraction form
    6,649.32/9,180.47 = 5,134.14/x
  3. Step 3: Cross multiply
    6,649.32x = 9,180.47 × 5,134.14
  4. Step 4: Simplify right side
    6,649.32x = 47,133,792.58
  5. Step 5: Solve for x
    x = 47,133,792.58/6,649.32
  6. Step 6: Final answer
    x = 7,088.51

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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.