Home / 7,457.19-11,175.30-5,890.32

Finding the Fourth Proportional to 7,457.19, 11,175.30 and 5,890.32

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Solution

The fourth proportional to 7,457.19, 11,175.30 and 5,890.32 is: 8,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.19 : 11,175.30 = 5,890.32 : x
  2. Step 2: Convert to fraction form
    7,457.19/11,175.30 = 5,890.32/x
  3. Step 3: Cross multiply
    7,457.19x = 11,175.30 × 5,890.32
  4. Step 4: Simplify right side
    7,457.19x = 65,826,093.10
  5. Step 5: Solve for x
    x = 65,826,093.10/7,457.19
  6. Step 6: Final answer
    x = 8,827.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.