Home / 12,030.98-18,048.53-4,133.12

Finding the Fourth Proportional to 12,030.98, 18,048.53 and 4,133.12

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Solution

The fourth proportional to 12,030.98, 18,048.53 and 4,133.12 is: 6,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.98 : 18,048.53 = 4,133.12 : x
  2. Step 2: Convert to fraction form
    12,030.98/18,048.53 = 4,133.12/x
  3. Step 3: Cross multiply
    12,030.98x = 18,048.53 × 4,133.12
  4. Step 4: Simplify right side
    12,030.98x = 74,596,740.31
  5. Step 5: Solve for x
    x = 74,596,740.31/12,030.98
  6. Step 6: Final answer
    x = 6,200.39

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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.