Home / 10,119.02-15,174.87-4,276.08

Finding the Fourth Proportional to 10,119.02, 15,174.87 and 4,276.08

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Solution

The fourth proportional to 10,119.02, 15,174.87 and 4,276.08 is: 6,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.02 : 15,174.87 = 4,276.08 : x
  2. Step 2: Convert to fraction form
    10,119.02/15,174.87 = 4,276.08/x
  3. Step 3: Cross multiply
    10,119.02x = 15,174.87 × 4,276.08
  4. Step 4: Simplify right side
    10,119.02x = 64,888,958.11
  5. Step 5: Solve for x
    x = 64,888,958.11/10,119.02
  6. Step 6: Final answer
    x = 6,412.58

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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.