Home / 10,011.51-13,815.27-5,534.99

Finding the Fourth Proportional to 10,011.51, 13,815.27 and 5,534.99

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Solution

The fourth proportional to 10,011.51, 13,815.27 and 5,534.99 is: 7,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.51 : 13,815.27 = 5,534.99 : x
  2. Step 2: Convert to fraction form
    10,011.51/13,815.27 = 5,534.99/x
  3. Step 3: Cross multiply
    10,011.51x = 13,815.27 × 5,534.99
  4. Step 4: Simplify right side
    10,011.51x = 76,467,415.84
  5. Step 5: Solve for x
    x = 76,467,415.84/10,011.51
  6. Step 6: Final answer
    x = 7,637.95

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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.