Home / 12,569.10-17,353.48-7,794.11

Finding the Fourth Proportional to 12,569.10, 17,353.48 and 7,794.11

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Solution

The fourth proportional to 12,569.10, 17,353.48 and 7,794.11 is: 10,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.10 : 17,353.48 = 7,794.11 : x
  2. Step 2: Convert to fraction form
    12,569.10/17,353.48 = 7,794.11/x
  3. Step 3: Cross multiply
    12,569.10x = 17,353.48 × 7,794.11
  4. Step 4: Simplify right side
    12,569.10x = 135,254,955.90
  5. Step 5: Solve for x
    x = 135,254,955.90/12,569.10
  6. Step 6: Final answer
    x = 10,760.91

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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.