Home / 7,117.56-10,676.58-1,923.48

Finding the Fourth Proportional to 7,117.56, 10,676.58 and 1,923.48

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Solution

The fourth proportional to 7,117.56, 10,676.58 and 1,923.48 is: 2,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.56 : 10,676.58 = 1,923.48 : x
  2. Step 2: Convert to fraction form
    7,117.56/10,676.58 = 1,923.48/x
  3. Step 3: Cross multiply
    7,117.56x = 10,676.58 × 1,923.48
  4. Step 4: Simplify right side
    7,117.56x = 20,536,188.10
  5. Step 5: Solve for x
    x = 20,536,188.10/7,117.56
  6. Step 6: Final answer
    x = 2,885.28

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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.