Home / 12,548.40-17,316.81-6,883.53

Finding the Fourth Proportional to 12,548.40, 17,316.81 and 6,883.53

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Solution

The fourth proportional to 12,548.40, 17,316.81 and 6,883.53 is: 9,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.40 : 17,316.81 = 6,883.53 : x
  2. Step 2: Convert to fraction form
    12,548.40/17,316.81 = 6,883.53/x
  3. Step 3: Cross multiply
    12,548.40x = 17,316.81 × 6,883.53
  4. Step 4: Simplify right side
    12,548.40x = 119,200,781.14
  5. Step 5: Solve for x
    x = 119,200,781.14/12,548.40
  6. Step 6: Final answer
    x = 9,499.28

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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.