Home / 10,343.22-15,515.61-7,088.58

Finding the Fourth Proportional to 10,343.22, 15,515.61 and 7,088.58

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Solution

The fourth proportional to 10,343.22, 15,515.61 and 7,088.58 is: 10,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.22 : 15,515.61 = 7,088.58 : x
  2. Step 2: Convert to fraction form
    10,343.22/15,515.61 = 7,088.58/x
  3. Step 3: Cross multiply
    10,343.22x = 15,515.61 × 7,088.58
  4. Step 4: Simplify right side
    10,343.22x = 109,983,642.73
  5. Step 5: Solve for x
    x = 109,983,642.73/10,343.22
  6. Step 6: Final answer
    x = 10,633.40

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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.