Home / 11,423.60-17,141.88-6,235.28

Finding the Fourth Proportional to 11,423.60, 17,141.88 and 6,235.28

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Solution

The fourth proportional to 11,423.60, 17,141.88 and 6,235.28 is: 9,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.60 : 17,141.88 = 6,235.28 : x
  2. Step 2: Convert to fraction form
    11,423.60/17,141.88 = 6,235.28/x
  3. Step 3: Cross multiply
    11,423.60x = 17,141.88 × 6,235.28
  4. Step 4: Simplify right side
    11,423.60x = 106,884,421.53
  5. Step 5: Solve for x
    x = 106,884,421.53/11,423.60
  6. Step 6: Final answer
    x = 9,356.46

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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.