Home / 7,410.51-11,113.53-3,898.58

Finding the Fourth Proportional to 7,410.51, 11,113.53 and 3,898.58

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Solution

The fourth proportional to 7,410.51, 11,113.53 and 3,898.58 is: 5,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.51 : 11,113.53 = 3,898.58 : x
  2. Step 2: Convert to fraction form
    7,410.51/11,113.53 = 3,898.58/x
  3. Step 3: Cross multiply
    7,410.51x = 11,113.53 × 3,898.58
  4. Step 4: Simplify right side
    7,410.51x = 43,326,998.95
  5. Step 5: Solve for x
    x = 43,326,998.95/7,410.51
  6. Step 6: Final answer
    x = 5,846.69

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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.