Home / 10,539.99-15,692.51-10,392.82

Finding the Fourth Proportional to 10,539.99, 15,692.51 and 10,392.82

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Solution

The fourth proportional to 10,539.99, 15,692.51 and 10,392.82 is: 15,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.99 : 15,692.51 = 10,392.82 : x
  2. Step 2: Convert to fraction form
    10,539.99/15,692.51 = 10,392.82/x
  3. Step 3: Cross multiply
    10,539.99x = 15,692.51 × 10,392.82
  4. Step 4: Simplify right side
    10,539.99x = 163,089,418.53
  5. Step 5: Solve for x
    x = 163,089,418.53/10,539.99
  6. Step 6: Final answer
    x = 15,473.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.