Home / 13,347.27-18,410.31-8,036.55

Finding the Fourth Proportional to 13,347.27, 18,410.31 and 8,036.55

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Solution

The fourth proportional to 13,347.27, 18,410.31 and 8,036.55 is: 11,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.27 : 18,410.31 = 8,036.55 : x
  2. Step 2: Convert to fraction form
    13,347.27/18,410.31 = 8,036.55/x
  3. Step 3: Cross multiply
    13,347.27x = 18,410.31 × 8,036.55
  4. Step 4: Simplify right side
    13,347.27x = 147,955,376.83
  5. Step 5: Solve for x
    x = 147,955,376.83/13,347.27
  6. Step 6: Final answer
    x = 11,085.07

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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.