Home / 10,316.48-15,474.72-2,921.01

Finding the Fourth Proportional to 10,316.48, 15,474.72 and 2,921.01

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Solution

The fourth proportional to 10,316.48, 15,474.72 and 2,921.01 is: 4,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.48 : 15,474.72 = 2,921.01 : x
  2. Step 2: Convert to fraction form
    10,316.48/15,474.72 = 2,921.01/x
  3. Step 3: Cross multiply
    10,316.48x = 15,474.72 × 2,921.01
  4. Step 4: Simplify right side
    10,316.48x = 45,201,764.79
  5. Step 5: Solve for x
    x = 45,201,764.79/10,316.48
  6. Step 6: Final answer
    x = 4,381.51

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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.