Home / 9,078.33-12,526.95-5,300.61

Finding the Fourth Proportional to 9,078.33, 12,526.95 and 5,300.61

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Solution

The fourth proportional to 9,078.33, 12,526.95 and 5,300.61 is: 7,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.33 : 12,526.95 = 5,300.61 : x
  2. Step 2: Convert to fraction form
    9,078.33/12,526.95 = 5,300.61/x
  3. Step 3: Cross multiply
    9,078.33x = 12,526.95 × 5,300.61
  4. Step 4: Simplify right side
    9,078.33x = 66,400,476.44
  5. Step 5: Solve for x
    x = 66,400,476.44/9,078.33
  6. Step 6: Final answer
    x = 7,314.17

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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.