Home / 9,518.11-13,140.95-6,116.50

Finding the Fourth Proportional to 9,518.11, 13,140.95 and 6,116.50

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Solution

The fourth proportional to 9,518.11, 13,140.95 and 6,116.50 is: 8,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.11 : 13,140.95 = 6,116.50 : x
  2. Step 2: Convert to fraction form
    9,518.11/13,140.95 = 6,116.50/x
  3. Step 3: Cross multiply
    9,518.11x = 13,140.95 × 6,116.50
  4. Step 4: Simplify right side
    9,518.11x = 80,376,557.24
  5. Step 5: Solve for x
    x = 80,376,557.24/9,518.11
  6. Step 6: Final answer
    x = 8,444.59

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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.