Home / 9,340.57-12,894.69-6,158.48

Finding the Fourth Proportional to 9,340.57, 12,894.69 and 6,158.48

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Solution

The fourth proportional to 9,340.57, 12,894.69 and 6,158.48 is: 8,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.57 : 12,894.69 = 6,158.48 : x
  2. Step 2: Convert to fraction form
    9,340.57/12,894.69 = 6,158.48/x
  3. Step 3: Cross multiply
    9,340.57x = 12,894.69 × 6,158.48
  4. Step 4: Simplify right side
    9,340.57x = 79,411,659.68
  5. Step 5: Solve for x
    x = 79,411,659.68/9,340.57
  6. Step 6: Final answer
    x = 8,501.80

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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.