Home / 7,548.36-11,323.26-2,931.72

Finding the Fourth Proportional to 7,548.36, 11,323.26 and 2,931.72

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Solution

The fourth proportional to 7,548.36, 11,323.26 and 2,931.72 is: 4,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.36 : 11,323.26 = 2,931.72 : x
  2. Step 2: Convert to fraction form
    7,548.36/11,323.26 = 2,931.72/x
  3. Step 3: Cross multiply
    7,548.36x = 11,323.26 × 2,931.72
  4. Step 4: Simplify right side
    7,548.36x = 33,196,627.81
  5. Step 5: Solve for x
    x = 33,196,627.81/7,548.36
  6. Step 6: Final answer
    x = 4,397.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.