Home / 11,465.46-15,825.63-7,432.14

Finding the Fourth Proportional to 11,465.46, 15,825.63 and 7,432.14

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Solution

The fourth proportional to 11,465.46, 15,825.63 and 7,432.14 is: 10,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.46 : 15,825.63 = 7,432.14 : x
  2. Step 2: Convert to fraction form
    11,465.46/15,825.63 = 7,432.14/x
  3. Step 3: Cross multiply
    11,465.46x = 15,825.63 × 7,432.14
  4. Step 4: Simplify right side
    11,465.46x = 117,618,297.75
  5. Step 5: Solve for x
    x = 117,618,297.75/11,465.46
  6. Step 6: Final answer
    x = 10,258.49

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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.