Home / 38,323.12-57,465.35-11,663.99

Finding the Fourth Proportional to 38,323.12, 57,465.35 and 11,663.99

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Solution

The fourth proportional to 38,323.12, 57,465.35 and 11,663.99 is: 17,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,323.12 : 57,465.35 = 11,663.99 : x
  2. Step 2: Convert to fraction form
    38,323.12/57,465.35 = 11,663.99/x
  3. Step 3: Cross multiply
    38,323.12x = 57,465.35 × 11,663.99
  4. Step 4: Simplify right side
    38,323.12x = 670,275,267.75
  5. Step 5: Solve for x
    x = 670,275,267.75/38,323.12
  6. Step 6: Final answer
    x = 17,490.10

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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.