Home / 8,377.61-11,560.64-5,725.67

Finding the Fourth Proportional to 8,377.61, 11,560.64 and 5,725.67

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Solution

The fourth proportional to 8,377.61, 11,560.64 and 5,725.67 is: 7,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.61 : 11,560.64 = 5,725.67 : x
  2. Step 2: Convert to fraction form
    8,377.61/11,560.64 = 5,725.67/x
  3. Step 3: Cross multiply
    8,377.61x = 11,560.64 × 5,725.67
  4. Step 4: Simplify right side
    8,377.61x = 66,192,323.20
  5. Step 5: Solve for x
    x = 66,192,323.20/8,377.61
  6. Step 6: Final answer
    x = 7,901.10

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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.