Home / 7,746.14-10,689.65-4,209.33

Finding the Fourth Proportional to 7,746.14, 10,689.65 and 4,209.33

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Solution

The fourth proportional to 7,746.14, 10,689.65 and 4,209.33 is: 5,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.14 : 10,689.65 = 4,209.33 : x
  2. Step 2: Convert to fraction form
    7,746.14/10,689.65 = 4,209.33/x
  3. Step 3: Cross multiply
    7,746.14x = 10,689.65 × 4,209.33
  4. Step 4: Simplify right side
    7,746.14x = 44,996,299.26
  5. Step 5: Solve for x
    x = 44,996,299.26/7,746.14
  6. Step 6: Final answer
    x = 5,808.87

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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.