Home / 10,369.14-15,558.30-5,437.60

Finding the Fourth Proportional to 10,369.14, 15,558.30 and 5,437.60

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Solution

The fourth proportional to 10,369.14, 15,558.30 and 5,437.60 is: 8,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.14 : 15,558.30 = 5,437.60 : x
  2. Step 2: Convert to fraction form
    10,369.14/15,558.30 = 5,437.60/x
  3. Step 3: Cross multiply
    10,369.14x = 15,558.30 × 5,437.60
  4. Step 4: Simplify right side
    10,369.14x = 84,599,812.08
  5. Step 5: Solve for x
    x = 84,599,812.08/10,369.14
  6. Step 6: Final answer
    x = 8,158.81

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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.