Home / 12,030.09-18,049.14-7,582.63

Finding the Fourth Proportional to 12,030.09, 18,049.14 and 7,582.63

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Solution

The fourth proportional to 12,030.09, 18,049.14 and 7,582.63 is: 11,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.09 : 18,049.14 = 7,582.63 : x
  2. Step 2: Convert to fraction form
    12,030.09/18,049.14 = 7,582.63/x
  3. Step 3: Cross multiply
    12,030.09x = 18,049.14 × 7,582.63
  4. Step 4: Simplify right side
    12,030.09x = 136,859,860.19
  5. Step 5: Solve for x
    x = 136,859,860.19/12,030.09
  6. Step 6: Final answer
    x = 11,376.46

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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.