Home / 9,048.40-12,486.21-5,069.47

Finding the Fourth Proportional to 9,048.40, 12,486.21 and 5,069.47

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Solution

The fourth proportional to 9,048.40, 12,486.21 and 5,069.47 is: 6,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.40 : 12,486.21 = 5,069.47 : x
  2. Step 2: Convert to fraction form
    9,048.40/12,486.21 = 5,069.47/x
  3. Step 3: Cross multiply
    9,048.40x = 12,486.21 × 5,069.47
  4. Step 4: Simplify right side
    9,048.40x = 63,298,467.01
  5. Step 5: Solve for x
    x = 63,298,467.01/9,048.40
  6. Step 6: Final answer
    x = 6,995.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.