Home / 13,261.01-18,300.49-7,293.07

Finding the Fourth Proportional to 13,261.01, 18,300.49 and 7,293.07

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Solution

The fourth proportional to 13,261.01, 18,300.49 and 7,293.07 is: 10,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.01 : 18,300.49 = 7,293.07 : x
  2. Step 2: Convert to fraction form
    13,261.01/18,300.49 = 7,293.07/x
  3. Step 3: Cross multiply
    13,261.01x = 18,300.49 × 7,293.07
  4. Step 4: Simplify right side
    13,261.01x = 133,466,754.60
  5. Step 5: Solve for x
    x = 133,466,754.60/13,261.01
  6. Step 6: Final answer
    x = 10,064.60

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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.