Home / 9,167.40-12,651.24-5,188.32

Finding the Fourth Proportional to 9,167.40, 12,651.24 and 5,188.32

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Solution

The fourth proportional to 9,167.40, 12,651.24 and 5,188.32 is: 7,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.40 : 12,651.24 = 5,188.32 : x
  2. Step 2: Convert to fraction form
    9,167.40/12,651.24 = 5,188.32/x
  3. Step 3: Cross multiply
    9,167.40x = 12,651.24 × 5,188.32
  4. Step 4: Simplify right side
    9,167.40x = 65,638,681.52
  5. Step 5: Solve for x
    x = 65,638,681.52/9,167.40
  6. Step 6: Final answer
    x = 7,160.01

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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.