Home / 11,492.49-15,860.01-6,457.68

Finding the Fourth Proportional to 11,492.49, 15,860.01 and 6,457.68

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Solution

The fourth proportional to 11,492.49, 15,860.01 and 6,457.68 is: 8,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.49 : 15,860.01 = 6,457.68 : x
  2. Step 2: Convert to fraction form
    11,492.49/15,860.01 = 6,457.68/x
  3. Step 3: Cross multiply
    11,492.49x = 15,860.01 × 6,457.68
  4. Step 4: Simplify right side
    11,492.49x = 102,418,869.38
  5. Step 5: Solve for x
    x = 102,418,869.38/11,492.49
  6. Step 6: Final answer
    x = 8,911.81

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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.