Home / 13,259.02-18,297.49-7,291.06

Finding the Fourth Proportional to 13,259.02, 18,297.49 and 7,291.06

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Solution

The fourth proportional to 13,259.02, 18,297.49 and 7,291.06 is: 10,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.02 : 18,297.49 = 7,291.06 : x
  2. Step 2: Convert to fraction form
    13,259.02/18,297.49 = 7,291.06/x
  3. Step 3: Cross multiply
    13,259.02x = 18,297.49 × 7,291.06
  4. Step 4: Simplify right side
    13,259.02x = 133,408,097.44
  5. Step 5: Solve for x
    x = 133,408,097.44/13,259.02
  6. Step 6: Final answer
    x = 10,061.69

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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.