Home / 10,457.50-14,431.36-5,677.44

Finding the Fourth Proportional to 10,457.50, 14,431.36 and 5,677.44

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Solution

The fourth proportional to 10,457.50, 14,431.36 and 5,677.44 is: 7,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.50 : 14,431.36 = 5,677.44 : x
  2. Step 2: Convert to fraction form
    10,457.50/14,431.36 = 5,677.44/x
  3. Step 3: Cross multiply
    10,457.50x = 14,431.36 × 5,677.44
  4. Step 4: Simplify right side
    10,457.50x = 81,933,204.03
  5. Step 5: Solve for x
    x = 81,933,204.03/10,457.50
  6. Step 6: Final answer
    x = 7,834.88

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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.