Home / 9,289.22-12,818.66-5,710.10

Finding the Fourth Proportional to 9,289.22, 12,818.66 and 5,710.10

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Solution

The fourth proportional to 9,289.22, 12,818.66 and 5,710.10 is: 7,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.22 : 12,818.66 = 5,710.10 : x
  2. Step 2: Convert to fraction form
    9,289.22/12,818.66 = 5,710.10/x
  3. Step 3: Cross multiply
    9,289.22x = 12,818.66 × 5,710.10
  4. Step 4: Simplify right side
    9,289.22x = 73,195,737.82
  5. Step 5: Solve for x
    x = 73,195,737.82/9,289.22
  6. Step 6: Final answer
    x = 7,879.65

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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.