Home / 12,581.33-17,362.40-6,916.59

Finding the Fourth Proportional to 12,581.33, 17,362.40 and 6,916.59

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Solution

The fourth proportional to 12,581.33, 17,362.40 and 6,916.59 is: 9,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.33 : 17,362.40 = 6,916.59 : x
  2. Step 2: Convert to fraction form
    12,581.33/17,362.40 = 6,916.59/x
  3. Step 3: Cross multiply
    12,581.33x = 17,362.40 × 6,916.59
  4. Step 4: Simplify right side
    12,581.33x = 120,088,567.63
  5. Step 5: Solve for x
    x = 120,088,567.63/12,581.33
  6. Step 6: Final answer
    x = 9,544.99

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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.