Home / 12,931.03-17,844.84-7,342.03

Finding the Fourth Proportional to 12,931.03, 17,844.84 and 7,342.03

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Solution

The fourth proportional to 12,931.03, 17,844.84 and 7,342.03 is: 10,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931.03 : 17,844.84 = 7,342.03 : x
  2. Step 2: Convert to fraction form
    12,931.03/17,844.84 = 7,342.03/x
  3. Step 3: Cross multiply
    12,931.03x = 17,844.84 × 7,342.03
  4. Step 4: Simplify right side
    12,931.03x = 131,017,395.24
  5. Step 5: Solve for x
    x = 131,017,395.24/12,931.03
  6. Step 6: Final answer
    x = 10,132.01

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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.