Home / 9,315.51-13,968.45-2,740.84

Finding the Fourth Proportional to 9,315.51, 13,968.45 and 2,740.84

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Solution

The fourth proportional to 9,315.51, 13,968.45 and 2,740.84 is: 4,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.51 : 13,968.45 = 2,740.84 : x
  2. Step 2: Convert to fraction form
    9,315.51/13,968.45 = 2,740.84/x
  3. Step 3: Cross multiply
    9,315.51x = 13,968.45 × 2,740.84
  4. Step 4: Simplify right side
    9,315.51x = 38,285,251.58
  5. Step 5: Solve for x
    x = 38,285,251.58/9,315.51
  6. Step 6: Final answer
    x = 4,109.84

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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.