Home / 7,814.61-10,772.91-5,572.58

Finding the Fourth Proportional to 7,814.61, 10,772.91 and 5,572.58

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Solution

The fourth proportional to 7,814.61, 10,772.91 and 5,572.58 is: 7,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.61 : 10,772.91 = 5,572.58 : x
  2. Step 2: Convert to fraction form
    7,814.61/10,772.91 = 5,572.58/x
  3. Step 3: Cross multiply
    7,814.61x = 10,772.91 × 5,572.58
  4. Step 4: Simplify right side
    7,814.61x = 60,032,848.94
  5. Step 5: Solve for x
    x = 60,032,848.94/7,814.61
  6. Step 6: Final answer
    x = 7,682.13

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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.