Home / 11,185.59-15,430.04-6,935.22

Finding the Fourth Proportional to 11,185.59, 15,430.04 and 6,935.22

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Solution

The fourth proportional to 11,185.59, 15,430.04 and 6,935.22 is: 9,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.59 : 15,430.04 = 6,935.22 : x
  2. Step 2: Convert to fraction form
    11,185.59/15,430.04 = 6,935.22/x
  3. Step 3: Cross multiply
    11,185.59x = 15,430.04 × 6,935.22
  4. Step 4: Simplify right side
    11,185.59x = 107,010,752.35
  5. Step 5: Solve for x
    x = 107,010,752.35/11,185.59
  6. Step 6: Final answer
    x = 9,566.84

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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.