Home / 7,925.76-11,875.44-5,148.96

Finding the Fourth Proportional to 7,925.76, 11,875.44 and 5,148.96

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Solution

The fourth proportional to 7,925.76, 11,875.44 and 5,148.96 is: 7,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.76 : 11,875.44 = 5,148.96 : x
  2. Step 2: Convert to fraction form
    7,925.76/11,875.44 = 5,148.96/x
  3. Step 3: Cross multiply
    7,925.76x = 11,875.44 × 5,148.96
  4. Step 4: Simplify right side
    7,925.76x = 61,146,165.54
  5. Step 5: Solve for x
    x = 61,146,165.54/7,925.76
  6. Step 6: Final answer
    x = 7,714.86

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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.