Home / 12,548.04-18,798.30-8,375.46

Finding the Fourth Proportional to 12,548.04, 18,798.30 and 8,375.46

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Solution

The fourth proportional to 12,548.04, 18,798.30 and 8,375.46 is: 12,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.04 : 18,798.30 = 8,375.46 : x
  2. Step 2: Convert to fraction form
    12,548.04/18,798.30 = 8,375.46/x
  3. Step 3: Cross multiply
    12,548.04x = 18,798.30 × 8,375.46
  4. Step 4: Simplify right side
    12,548.04x = 157,444,409.72
  5. Step 5: Solve for x
    x = 157,444,409.72/12,548.04
  6. Step 6: Final answer
    x = 12,547.33

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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.