Home / 10,416.38-14,374.78-7,437.27

Finding the Fourth Proportional to 10,416.38, 14,374.78 and 7,437.27

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Solution

The fourth proportional to 10,416.38, 14,374.78 and 7,437.27 is: 10,263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.38 : 14,374.78 = 7,437.27 : x
  2. Step 2: Convert to fraction form
    10,416.38/14,374.78 = 7,437.27/x
  3. Step 3: Cross multiply
    10,416.38x = 14,374.78 × 7,437.27
  4. Step 4: Simplify right side
    10,416.38x = 106,909,120.05
  5. Step 5: Solve for x
    x = 106,909,120.05/10,416.38
  6. Step 6: Final answer
    x = 10,263.56

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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.