Home / 7,457.40-11,186.10-7,250.04

Finding the Fourth Proportional to 7,457.40, 11,186.10 and 7,250.04

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Solution

The fourth proportional to 7,457.40, 11,186.10 and 7,250.04 is: 10,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.40 : 11,186.10 = 7,250.04 : x
  2. Step 2: Convert to fraction form
    7,457.40/11,186.10 = 7,250.04/x
  3. Step 3: Cross multiply
    7,457.40x = 11,186.10 × 7,250.04
  4. Step 4: Simplify right side
    7,457.40x = 81,099,672.44
  5. Step 5: Solve for x
    x = 81,099,672.44/7,457.40
  6. Step 6: Final answer
    x = 10,875.06

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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.