Home / 10,932.21-15,083.01-6,457.53

Finding the Fourth Proportional to 10,932.21, 15,083.01 and 6,457.53

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Solution

The fourth proportional to 10,932.21, 15,083.01 and 6,457.53 is: 8,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.21 : 15,083.01 = 6,457.53 : x
  2. Step 2: Convert to fraction form
    10,932.21/15,083.01 = 6,457.53/x
  3. Step 3: Cross multiply
    10,932.21x = 15,083.01 × 6,457.53
  4. Step 4: Simplify right side
    10,932.21x = 97,398,989.57
  5. Step 5: Solve for x
    x = 97,398,989.57/10,932.21
  6. Step 6: Final answer
    x = 8,909.36

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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.