Home / 11,938.08-16,457.04-10,693.92

Finding the Fourth Proportional to 11,938.08, 16,457.04 and 10,693.92

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Solution

The fourth proportional to 11,938.08, 16,457.04 and 10,693.92 is: 14,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.08 : 16,457.04 = 10,693.92 : x
  2. Step 2: Convert to fraction form
    11,938.08/16,457.04 = 10,693.92/x
  3. Step 3: Cross multiply
    11,938.08x = 16,457.04 × 10,693.92
  4. Step 4: Simplify right side
    11,938.08x = 175,990,269.20
  5. Step 5: Solve for x
    x = 175,990,269.20/11,938.08
  6. Step 6: Final answer
    x = 14,741.92

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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.