Home / 10,011.54-15,017.62-3,437.64

Finding the Fourth Proportional to 10,011.54, 15,017.62 and 3,437.64

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Solution

The fourth proportional to 10,011.54, 15,017.62 and 3,437.64 is: 5,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.54 : 15,017.62 = 3,437.64 : x
  2. Step 2: Convert to fraction form
    10,011.54/15,017.62 = 3,437.64/x
  3. Step 3: Cross multiply
    10,011.54x = 15,017.62 × 3,437.64
  4. Step 4: Simplify right side
    10,011.54x = 51,625,171.22
  5. Step 5: Solve for x
    x = 51,625,171.22/10,011.54
  6. Step 6: Final answer
    x = 5,156.57

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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.