Home / 7,875.13-11,813.33-2,609.94

Finding the Fourth Proportional to 7,875.13, 11,813.33 and 2,609.94

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Solution

The fourth proportional to 7,875.13, 11,813.33 and 2,609.94 is: 3,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.13 : 11,813.33 = 2,609.94 : x
  2. Step 2: Convert to fraction form
    7,875.13/11,813.33 = 2,609.94/x
  3. Step 3: Cross multiply
    7,875.13x = 11,813.33 × 2,609.94
  4. Step 4: Simplify right side
    7,875.13x = 30,832,082.50
  5. Step 5: Solve for x
    x = 30,832,082.50/7,875.13
  6. Step 6: Final answer
    x = 3,915.12

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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.