Home / 10,964.28-15,130.60-5,928.45

Finding the Fourth Proportional to 10,964.28, 15,130.60 and 5,928.45

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Solution

The fourth proportional to 10,964.28, 15,130.60 and 5,928.45 is: 8,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.28 : 15,130.60 = 5,928.45 : x
  2. Step 2: Convert to fraction form
    10,964.28/15,130.60 = 5,928.45/x
  3. Step 3: Cross multiply
    10,964.28x = 15,130.60 × 5,928.45
  4. Step 4: Simplify right side
    10,964.28x = 89,701,005.57
  5. Step 5: Solve for x
    x = 89,701,005.57/10,964.28
  6. Step 6: Final answer
    x = 8,181.20

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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.