Home / 8,931.10-13,396.77-6,157.03

Finding the Fourth Proportional to 8,931.10, 13,396.77 and 6,157.03

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Solution

The fourth proportional to 8,931.10, 13,396.77 and 6,157.03 is: 9,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.10 : 13,396.77 = 6,157.03 : x
  2. Step 2: Convert to fraction form
    8,931.10/13,396.77 = 6,157.03/x
  3. Step 3: Cross multiply
    8,931.10x = 13,396.77 × 6,157.03
  4. Step 4: Simplify right side
    8,931.10x = 82,484,332.89
  5. Step 5: Solve for x
    x = 82,484,332.89/8,931.10
  6. Step 6: Final answer
    x = 9,235.63

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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.