Home / 11,280.48-15,567.39-6,245.34

Finding the Fourth Proportional to 11,280.48, 15,567.39 and 6,245.34

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Solution

The fourth proportional to 11,280.48, 15,567.39 and 6,245.34 is: 8,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.48 : 15,567.39 = 6,245.34 : x
  2. Step 2: Convert to fraction form
    11,280.48/15,567.39 = 6,245.34/x
  3. Step 3: Cross multiply
    11,280.48x = 15,567.39 × 6,245.34
  4. Step 4: Simplify right side
    11,280.48x = 97,223,643.46
  5. Step 5: Solve for x
    x = 97,223,643.46/11,280.48
  6. Step 6: Final answer
    x = 8,618.75

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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.