Home / 10,880.10-15,013.72-6,164.28

Finding the Fourth Proportional to 10,880.10, 15,013.72 and 6,164.28

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Solution

The fourth proportional to 10,880.10, 15,013.72 and 6,164.28 is: 8,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.10 : 15,013.72 = 6,164.28 : x
  2. Step 2: Convert to fraction form
    10,880.10/15,013.72 = 6,164.28/x
  3. Step 3: Cross multiply
    10,880.10x = 15,013.72 × 6,164.28
  4. Step 4: Simplify right side
    10,880.10x = 92,548,668.03
  5. Step 5: Solve for x
    x = 92,548,668.03/10,880.10
  6. Step 6: Final answer
    x = 8,506.24

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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.