Home / 10,886.12-16,313.42-7,505.45

Finding the Fourth Proportional to 10,886.12, 16,313.42 and 7,505.45

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Solution

The fourth proportional to 10,886.12, 16,313.42 and 7,505.45 is: 11,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.12 : 16,313.42 = 7,505.45 : x
  2. Step 2: Convert to fraction form
    10,886.12/16,313.42 = 7,505.45/x
  3. Step 3: Cross multiply
    10,886.12x = 16,313.42 × 7,505.45
  4. Step 4: Simplify right side
    10,886.12x = 122,439,495.34
  5. Step 5: Solve for x
    x = 122,439,495.34/10,886.12
  6. Step 6: Final answer
    x = 11,247.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.