Home / 8,717.04-12,021.52-6,484.48

Finding the Fourth Proportional to 8,717.04, 12,021.52 and 6,484.48

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Solution

The fourth proportional to 8,717.04, 12,021.52 and 6,484.48 is: 8,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.04 : 12,021.52 = 6,484.48 : x
  2. Step 2: Convert to fraction form
    8,717.04/12,021.52 = 6,484.48/x
  3. Step 3: Cross multiply
    8,717.04x = 12,021.52 × 6,484.48
  4. Step 4: Simplify right side
    8,717.04x = 77,953,306.01
  5. Step 5: Solve for x
    x = 77,953,306.01/8,717.04
  6. Step 6: Final answer
    x = 8,942.63

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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.