Home / 27,098.30-40,643.35-7,378.41

Finding the Fourth Proportional to 27,098.30, 40,643.35 and 7,378.41

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Solution

The fourth proportional to 27,098.30, 40,643.35 and 7,378.41 is: 11,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,098.30 : 40,643.35 = 7,378.41 : x
  2. Step 2: Convert to fraction form
    27,098.30/40,643.35 = 7,378.41/x
  3. Step 3: Cross multiply
    27,098.30x = 40,643.35 × 7,378.41
  4. Step 4: Simplify right side
    27,098.30x = 299,883,300.07
  5. Step 5: Solve for x
    x = 299,883,300.07/27,098.30
  6. Step 6: Final answer
    x = 11,066.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.