Home / 10,719.44-16,079.16-2,928.32

Finding the Fourth Proportional to 10,719.44, 16,079.16 and 2,928.32

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Solution

The fourth proportional to 10,719.44, 16,079.16 and 2,928.32 is: 4,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.44 : 16,079.16 = 2,928.32 : x
  2. Step 2: Convert to fraction form
    10,719.44/16,079.16 = 2,928.32/x
  3. Step 3: Cross multiply
    10,719.44x = 16,079.16 × 2,928.32
  4. Step 4: Simplify right side
    10,719.44x = 47,084,925.81
  5. Step 5: Solve for x
    x = 47,084,925.81/10,719.44
  6. Step 6: Final answer
    x = 4,392.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.