Home / 10,157.06-15,231.48-6,871.10

Finding the Fourth Proportional to 10,157.06, 15,231.48 and 6,871.10

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Solution

The fourth proportional to 10,157.06, 15,231.48 and 6,871.10 is: 10,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.06 : 15,231.48 = 6,871.10 : x
  2. Step 2: Convert to fraction form
    10,157.06/15,231.48 = 6,871.10/x
  3. Step 3: Cross multiply
    10,157.06x = 15,231.48 × 6,871.10
  4. Step 4: Simplify right side
    10,157.06x = 104,657,022.23
  5. Step 5: Solve for x
    x = 104,657,022.23/10,157.06
  6. Step 6: Final answer
    x = 10,303.87

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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.