Home / 11,085.04-15,302.28-6,896.08

Finding the Fourth Proportional to 11,085.04, 15,302.28 and 6,896.08

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Solution

The fourth proportional to 11,085.04, 15,302.28 and 6,896.08 is: 9,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.04 : 15,302.28 = 6,896.08 : x
  2. Step 2: Convert to fraction form
    11,085.04/15,302.28 = 6,896.08/x
  3. Step 3: Cross multiply
    11,085.04x = 15,302.28 × 6,896.08
  4. Step 4: Simplify right side
    11,085.04x = 105,525,747.06
  5. Step 5: Solve for x
    x = 105,525,747.06/11,085.04
  6. Step 6: Final answer
    x = 9,519.65

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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.