Home / 9,297.24-12,818.70-6,643.68

Finding the Fourth Proportional to 9,297.24, 12,818.70 and 6,643.68

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Solution

The fourth proportional to 9,297.24, 12,818.70 and 6,643.68 is: 9,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,297.24 : 12,818.70 = 6,643.68 : x
  2. Step 2: Convert to fraction form
    9,297.24/12,818.70 = 6,643.68/x
  3. Step 3: Cross multiply
    9,297.24x = 12,818.70 × 6,643.68
  4. Step 4: Simplify right side
    9,297.24x = 85,163,340.82
  5. Step 5: Solve for x
    x = 85,163,340.82/9,297.24
  6. Step 6: Final answer
    x = 9,160.07

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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.