Home / 11,314.02-15,603.09-7,065.47

Finding the Fourth Proportional to 11,314.02, 15,603.09 and 7,065.47

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Solution

The fourth proportional to 11,314.02, 15,603.09 and 7,065.47 is: 9,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.02 : 15,603.09 = 7,065.47 : x
  2. Step 2: Convert to fraction form
    11,314.02/15,603.09 = 7,065.47/x
  3. Step 3: Cross multiply
    11,314.02x = 15,603.09 × 7,065.47
  4. Step 4: Simplify right side
    11,314.02x = 110,243,164.30
  5. Step 5: Solve for x
    x = 110,243,164.30/11,314.02
  6. Step 6: Final answer
    x = 9,743.94

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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.