Home / 7,530.61-11,240.92-6,974.75

Finding the Fourth Proportional to 7,530.61, 11,240.92 and 6,974.75

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Solution

The fourth proportional to 7,530.61, 11,240.92 and 6,974.75 is: 10,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.61 : 11,240.92 = 6,974.75 : x
  2. Step 2: Convert to fraction form
    7,530.61/11,240.92 = 6,974.75/x
  3. Step 3: Cross multiply
    7,530.61x = 11,240.92 × 6,974.75
  4. Step 4: Simplify right side
    7,530.61x = 78,402,606.77
  5. Step 5: Solve for x
    x = 78,402,606.77/7,530.61
  6. Step 6: Final answer
    x = 10,411.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.