Home / 10,656.28-15,994.26-5,394.98

Finding the Fourth Proportional to 10,656.28, 15,994.26 and 5,394.98

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Solution

The fourth proportional to 10,656.28, 15,994.26 and 5,394.98 is: 8,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.28 : 15,994.26 = 5,394.98 : x
  2. Step 2: Convert to fraction form
    10,656.28/15,994.26 = 5,394.98/x
  3. Step 3: Cross multiply
    10,656.28x = 15,994.26 × 5,394.98
  4. Step 4: Simplify right side
    10,656.28x = 86,288,712.81
  5. Step 5: Solve for x
    x = 86,288,712.81/10,656.28
  6. Step 6: Final answer
    x = 8,097.46

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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.