Home / 30,888.68-46,332.54-7,515.14

Finding the Fourth Proportional to 30,888.68, 46,332.54 and 7,515.14

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Solution

The fourth proportional to 30,888.68, 46,332.54 and 7,515.14 is: 11,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.68 : 46,332.54 = 7,515.14 : x
  2. Step 2: Convert to fraction form
    30,888.68/46,332.54 = 7,515.14/x
  3. Step 3: Cross multiply
    30,888.68x = 46,332.54 × 7,515.14
  4. Step 4: Simplify right side
    30,888.68x = 348,195,524.66
  5. Step 5: Solve for x
    x = 348,195,524.66/30,888.68
  6. Step 6: Final answer
    x = 11,272.59

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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.