Home / 9,276.30-12,802.19-5,297.72

Finding the Fourth Proportional to 9,276.30, 12,802.19 and 5,297.72

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Solution

The fourth proportional to 9,276.30, 12,802.19 and 5,297.72 is: 7,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.30 : 12,802.19 = 5,297.72 : x
  2. Step 2: Convert to fraction form
    9,276.30/12,802.19 = 5,297.72/x
  3. Step 3: Cross multiply
    9,276.30x = 12,802.19 × 5,297.72
  4. Step 4: Simplify right side
    9,276.30x = 67,822,327.51
  5. Step 5: Solve for x
    x = 67,822,327.51/9,276.30
  6. Step 6: Final answer
    x = 7,311.36

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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.