Home / 12,808.96-17,675.10-9,453.58

Finding the Fourth Proportional to 12,808.96, 17,675.10 and 9,453.58

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Solution

The fourth proportional to 12,808.96, 17,675.10 and 9,453.58 is: 13,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.96 : 17,675.10 = 9,453.58 : x
  2. Step 2: Convert to fraction form
    12,808.96/17,675.10 = 9,453.58/x
  3. Step 3: Cross multiply
    12,808.96x = 17,675.10 × 9,453.58
  4. Step 4: Simplify right side
    12,808.96x = 167,092,971.86
  5. Step 5: Solve for x
    x = 167,092,971.86/12,808.96
  6. Step 6: Final answer
    x = 13,045.01

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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.