Home / 11,493.18-15,860.58-6,457.41

Finding the Fourth Proportional to 11,493.18, 15,860.58 and 6,457.41

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Solution

The fourth proportional to 11,493.18, 15,860.58 and 6,457.41 is: 8,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.18 : 15,860.58 = 6,457.41 : x
  2. Step 2: Convert to fraction form
    11,493.18/15,860.58 = 6,457.41/x
  3. Step 3: Cross multiply
    11,493.18x = 15,860.58 × 6,457.41
  4. Step 4: Simplify right side
    11,493.18x = 102,418,267.90
  5. Step 5: Solve for x
    x = 102,418,267.90/11,493.18
  6. Step 6: Final answer
    x = 8,911.22

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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.