Home / 8,458.10-11,676.88-5,101.76

Finding the Fourth Proportional to 8,458.10, 11,676.88 and 5,101.76

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Solution

The fourth proportional to 8,458.10, 11,676.88 and 5,101.76 is: 7,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.10 : 11,676.88 = 5,101.76 : x
  2. Step 2: Convert to fraction form
    8,458.10/11,676.88 = 5,101.76/x
  3. Step 3: Cross multiply
    8,458.10x = 11,676.88 × 5,101.76
  4. Step 4: Simplify right side
    8,458.10x = 59,572,639.31
  5. Step 5: Solve for x
    x = 59,572,639.31/8,458.10
  6. Step 6: Final answer
    x = 7,043.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.