Home / 13,260.01-18,298.77-7,291.66

Finding the Fourth Proportional to 13,260.01, 18,298.77 and 7,291.66

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Solution

The fourth proportional to 13,260.01, 18,298.77 and 7,291.66 is: 10,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.01 : 18,298.77 = 7,291.66 : x
  2. Step 2: Convert to fraction form
    13,260.01/18,298.77 = 7,291.66/x
  3. Step 3: Cross multiply
    13,260.01x = 18,298.77 × 7,291.66
  4. Step 4: Simplify right side
    13,260.01x = 133,428,409.26
  5. Step 5: Solve for x
    x = 133,428,409.26/13,260.01
  6. Step 6: Final answer
    x = 10,062.47

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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.