Home / 7,953.48-10,974.86-4,415.78

Finding the Fourth Proportional to 7,953.48, 10,974.86 and 4,415.78

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Solution

The fourth proportional to 7,953.48, 10,974.86 and 4,415.78 is: 6,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.48 : 10,974.86 = 4,415.78 : x
  2. Step 2: Convert to fraction form
    7,953.48/10,974.86 = 4,415.78/x
  3. Step 3: Cross multiply
    7,953.48x = 10,974.86 × 4,415.78
  4. Step 4: Simplify right side
    7,953.48x = 48,462,567.29
  5. Step 5: Solve for x
    x = 48,462,567.29/7,953.48
  6. Step 6: Final answer
    x = 6,093.25

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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.