Home / 11,895.75-16,415.51-6,590.45

Finding the Fourth Proportional to 11,895.75, 16,415.51 and 6,590.45

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Solution

The fourth proportional to 11,895.75, 16,415.51 and 6,590.45 is: 9,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.75 : 16,415.51 = 6,590.45 : x
  2. Step 2: Convert to fraction form
    11,895.75/16,415.51 = 6,590.45/x
  3. Step 3: Cross multiply
    11,895.75x = 16,415.51 × 6,590.45
  4. Step 4: Simplify right side
    11,895.75x = 108,185,482.85
  5. Step 5: Solve for x
    x = 108,185,482.85/11,895.75
  6. Step 6: Final answer
    x = 9,094.47

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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.