Home / 9,009.36-13,515.12-3,461.40

Finding the Fourth Proportional to 9,009.36, 13,515.12 and 3,461.40

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Solution

The fourth proportional to 9,009.36, 13,515.12 and 3,461.40 is: 5,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.36 : 13,515.12 = 3,461.40 : x
  2. Step 2: Convert to fraction form
    9,009.36/13,515.12 = 3,461.40/x
  3. Step 3: Cross multiply
    9,009.36x = 13,515.12 × 3,461.40
  4. Step 4: Simplify right side
    9,009.36x = 46,781,236.37
  5. Step 5: Solve for x
    x = 46,781,236.37/9,009.36
  6. Step 6: Final answer
    x = 5,192.51

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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.