Home / 11,222.04-15,486.06-6,685.08

Finding the Fourth Proportional to 11,222.04, 15,486.06 and 6,685.08

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Solution

The fourth proportional to 11,222.04, 15,486.06 and 6,685.08 is: 9,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.04 : 15,486.06 = 6,685.08 : x
  2. Step 2: Convert to fraction form
    11,222.04/15,486.06 = 6,685.08/x
  3. Step 3: Cross multiply
    11,222.04x = 15,486.06 × 6,685.08
  4. Step 4: Simplify right side
    11,222.04x = 103,525,549.98
  5. Step 5: Solve for x
    x = 103,525,549.98/11,222.04
  6. Step 6: Final answer
    x = 9,225.20

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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.