Home / 10,176.05-15,256.29-7,047.06

Finding the Fourth Proportional to 10,176.05, 15,256.29 and 7,047.06

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Solution

The fourth proportional to 10,176.05, 15,256.29 and 7,047.06 is: 10,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.05 : 15,256.29 = 7,047.06 : x
  2. Step 2: Convert to fraction form
    10,176.05/15,256.29 = 7,047.06/x
  3. Step 3: Cross multiply
    10,176.05x = 15,256.29 × 7,047.06
  4. Step 4: Simplify right side
    10,176.05x = 107,511,991.01
  5. Step 5: Solve for x
    x = 107,511,991.01/10,176.05
  6. Step 6: Final answer
    x = 10,565.20

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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.