Home / 8,151.64-11,238.12-5,599.32

Finding the Fourth Proportional to 8,151.64, 11,238.12 and 5,599.32

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Solution

The fourth proportional to 8,151.64, 11,238.12 and 5,599.32 is: 7,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.64 : 11,238.12 = 5,599.32 : x
  2. Step 2: Convert to fraction form
    8,151.64/11,238.12 = 5,599.32/x
  3. Step 3: Cross multiply
    8,151.64x = 11,238.12 × 5,599.32
  4. Step 4: Simplify right side
    8,151.64x = 62,925,830.08
  5. Step 5: Solve for x
    x = 62,925,830.08/8,151.64
  6. Step 6: Final answer
    x = 7,719.41

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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.