Home / 7,902.05-11,853.70-4,615.47

Finding the Fourth Proportional to 7,902.05, 11,853.70 and 4,615.47

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Solution

The fourth proportional to 7,902.05, 11,853.70 and 4,615.47 is: 6,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.05 : 11,853.70 = 4,615.47 : x
  2. Step 2: Convert to fraction form
    7,902.05/11,853.70 = 4,615.47/x
  3. Step 3: Cross multiply
    7,902.05x = 11,853.70 × 4,615.47
  4. Step 4: Simplify right side
    7,902.05x = 54,710,385.20
  5. Step 5: Solve for x
    x = 54,710,385.20/7,902.05
  6. Step 6: Final answer
    x = 6,923.57

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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.