Home / 11,047.12-15,243.89-6,798.45

Finding the Fourth Proportional to 11,047.12, 15,243.89 and 6,798.45

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Solution

The fourth proportional to 11,047.12, 15,243.89 and 6,798.45 is: 9,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.12 : 15,243.89 = 6,798.45 : x
  2. Step 2: Convert to fraction form
    11,047.12/15,243.89 = 6,798.45/x
  3. Step 3: Cross multiply
    11,047.12x = 15,243.89 × 6,798.45
  4. Step 4: Simplify right side
    11,047.12x = 103,634,823.97
  5. Step 5: Solve for x
    x = 103,634,823.97/11,047.12
  6. Step 6: Final answer
    x = 9,381.16

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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.