Home / 12,268.48-18,357.36-7,341.52

Finding the Fourth Proportional to 12,268.48, 18,357.36 and 7,341.52

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Solution

The fourth proportional to 12,268.48, 18,357.36 and 7,341.52 is: 10,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.48 : 18,357.36 = 7,341.52 : x
  2. Step 2: Convert to fraction form
    12,268.48/18,357.36 = 7,341.52/x
  3. Step 3: Cross multiply
    12,268.48x = 18,357.36 × 7,341.52
  4. Step 4: Simplify right side
    12,268.48x = 134,770,925.59
  5. Step 5: Solve for x
    x = 134,770,925.59/12,268.48
  6. Step 6: Final answer
    x = 10,985.14

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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.