Home / 9,518.46-13,126.90-6,157.77

Finding the Fourth Proportional to 9,518.46, 13,126.90 and 6,157.77

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Solution

The fourth proportional to 9,518.46, 13,126.90 and 6,157.77 is: 8,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.46 : 13,126.90 = 6,157.77 : x
  2. Step 2: Convert to fraction form
    9,518.46/13,126.90 = 6,157.77/x
  3. Step 3: Cross multiply
    9,518.46x = 13,126.90 × 6,157.77
  4. Step 4: Simplify right side
    9,518.46x = 80,832,443.12
  5. Step 5: Solve for x
    x = 80,832,443.12/9,518.46
  6. Step 6: Final answer
    x = 8,492.17

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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.