Home / 9,048.40-12,486.20-5,069.48

Finding the Fourth Proportional to 9,048.40, 12,486.20 and 5,069.48

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Solution

The fourth proportional to 9,048.40, 12,486.20 and 5,069.48 is: 6,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.40 : 12,486.20 = 5,069.48 : x
  2. Step 2: Convert to fraction form
    9,048.40/12,486.20 = 5,069.48/x
  3. Step 3: Cross multiply
    9,048.40x = 12,486.20 × 5,069.48
  4. Step 4: Simplify right side
    9,048.40x = 63,298,541.18
  5. Step 5: Solve for x
    x = 63,298,541.18/9,048.40
  6. Step 6: Final answer
    x = 6,995.55

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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.