Home / 12,030.08-18,045.42-5,703.48

Finding the Fourth Proportional to 12,030.08, 18,045.42 and 5,703.48

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Solution

The fourth proportional to 12,030.08, 18,045.42 and 5,703.48 is: 8,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.08 : 18,045.42 = 5,703.48 : x
  2. Step 2: Convert to fraction form
    12,030.08/18,045.42 = 5,703.48/x
  3. Step 3: Cross multiply
    12,030.08x = 18,045.42 × 5,703.48
  4. Step 4: Simplify right side
    12,030.08x = 102,921,692.06
  5. Step 5: Solve for x
    x = 102,921,692.06/12,030.08
  6. Step 6: Final answer
    x = 8,555.36

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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.