Home / 7,135.14-9,848.75-4,900.15

Finding the Fourth Proportional to 7,135.14, 9,848.75 and 4,900.15

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Solution

The fourth proportional to 7,135.14, 9,848.75 and 4,900.15 is: 6,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.14 : 9,848.75 = 4,900.15 : x
  2. Step 2: Convert to fraction form
    7,135.14/9,848.75 = 4,900.15/x
  3. Step 3: Cross multiply
    7,135.14x = 9,848.75 × 4,900.15
  4. Step 4: Simplify right side
    7,135.14x = 48,260,352.31
  5. Step 5: Solve for x
    x = 48,260,352.31/7,135.14
  6. Step 6: Final answer
    x = 6,763.76

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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.