Home / 11,225.08-15,490.72-6,189.48

Finding the Fourth Proportional to 11,225.08, 15,490.72 and 6,189.48

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Solution

The fourth proportional to 11,225.08, 15,490.72 and 6,189.48 is: 8,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.08 : 15,490.72 = 6,189.48 : x
  2. Step 2: Convert to fraction form
    11,225.08/15,490.72 = 6,189.48/x
  3. Step 3: Cross multiply
    11,225.08x = 15,490.72 × 6,189.48
  4. Step 4: Simplify right side
    11,225.08x = 95,879,501.63
  5. Step 5: Solve for x
    x = 95,879,501.63/11,225.08
  6. Step 6: Final answer
    x = 8,541.54

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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.