Home / 11,009.04-15,185.75-6,529.79

Finding the Fourth Proportional to 11,009.04, 15,185.75 and 6,529.79

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Solution

The fourth proportional to 11,009.04, 15,185.75 and 6,529.79 is: 9,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.04 : 15,185.75 = 6,529.79 : x
  2. Step 2: Convert to fraction form
    11,009.04/15,185.75 = 6,529.79/x
  3. Step 3: Cross multiply
    11,009.04x = 15,185.75 × 6,529.79
  4. Step 4: Simplify right side
    11,009.04x = 99,159,776.19
  5. Step 5: Solve for x
    x = 99,159,776.19/11,009.04
  6. Step 6: Final answer
    x = 9,007.12

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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.