Home / 9,297.19-12,826.98-5,315.49

Finding the Fourth Proportional to 9,297.19, 12,826.98 and 5,315.49

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Solution

The fourth proportional to 9,297.19, 12,826.98 and 5,315.49 is: 7,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,297.19 : 12,826.98 = 5,315.49 : x
  2. Step 2: Convert to fraction form
    9,297.19/12,826.98 = 5,315.49/x
  3. Step 3: Cross multiply
    9,297.19x = 12,826.98 × 5,315.49
  4. Step 4: Simplify right side
    9,297.19x = 68,181,683.92
  5. Step 5: Solve for x
    x = 68,181,683.92/9,297.19
  6. Step 6: Final answer
    x = 7,333.58

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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.