Home / 11,895.30-16,415.28-6,590.34

Finding the Fourth Proportional to 11,895.30, 16,415.28 and 6,590.34

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Solution

The fourth proportional to 11,895.30, 16,415.28 and 6,590.34 is: 9,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.30 : 16,415.28 = 6,590.34 : x
  2. Step 2: Convert to fraction form
    11,895.30/16,415.28 = 6,590.34/x
  3. Step 3: Cross multiply
    11,895.30x = 16,415.28 × 6,590.34
  4. Step 4: Simplify right side
    11,895.30x = 108,182,276.40
  5. Step 5: Solve for x
    x = 108,182,276.40/11,895.30
  6. Step 6: Final answer
    x = 9,094.54

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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.