Home / 10,158.12-15,237.18-3,580.68

Finding the Fourth Proportional to 10,158.12, 15,237.18 and 3,580.68

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Solution

The fourth proportional to 10,158.12, 15,237.18 and 3,580.68 is: 5,371.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.12 : 15,237.18 = 3,580.68 : x
  2. Step 2: Convert to fraction form
    10,158.12/15,237.18 = 3,580.68/x
  3. Step 3: Cross multiply
    10,158.12x = 15,237.18 × 3,580.68
  4. Step 4: Simplify right side
    10,158.12x = 54,559,465.68
  5. Step 5: Solve for x
    x = 54,559,465.68/10,158.12
  6. Step 6: Final answer
    x = 5,371.02

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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.