Home / 9,412.74-12,987.49-5,433.01

Finding the Fourth Proportional to 9,412.74, 12,987.49 and 5,433.01

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Solution

The fourth proportional to 9,412.74, 12,987.49 and 5,433.01 is: 7,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.74 : 12,987.49 = 5,433.01 : x
  2. Step 2: Convert to fraction form
    9,412.74/12,987.49 = 5,433.01/x
  3. Step 3: Cross multiply
    9,412.74x = 12,987.49 × 5,433.01
  4. Step 4: Simplify right side
    9,412.74x = 70,561,163.04
  5. Step 5: Solve for x
    x = 70,561,163.04/9,412.74
  6. Step 6: Final answer
    x = 7,496.35

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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.