Home / 12,360.24-17,056.60-7,645.04

Finding the Fourth Proportional to 12,360.24, 17,056.60 and 7,645.04

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Solution

The fourth proportional to 12,360.24, 17,056.60 and 7,645.04 is: 10,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.24 : 17,056.60 = 7,645.04 : x
  2. Step 2: Convert to fraction form
    12,360.24/17,056.60 = 7,645.04/x
  3. Step 3: Cross multiply
    12,360.24x = 17,056.60 × 7,645.04
  4. Step 4: Simplify right side
    12,360.24x = 130,398,389.26
  5. Step 5: Solve for x
    x = 130,398,389.26/12,360.24
  6. Step 6: Final answer
    x = 10,549.83

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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.