Home / 9,294.46-12,826.58-5,315.94

Finding the Fourth Proportional to 9,294.46, 12,826.58 and 5,315.94

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Solution

The fourth proportional to 9,294.46, 12,826.58 and 5,315.94 is: 7,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294.46 : 12,826.58 = 5,315.94 : x
  2. Step 2: Convert to fraction form
    9,294.46/12,826.58 = 5,315.94/x
  3. Step 3: Cross multiply
    9,294.46x = 12,826.58 × 5,315.94
  4. Step 4: Simplify right side
    9,294.46x = 68,185,303.11
  5. Step 5: Solve for x
    x = 68,185,303.11/9,294.46
  6. Step 6: Final answer
    x = 7,336.13

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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.