Home / 10,559.80-15,839.70-9,466.30

Finding the Fourth Proportional to 10,559.80, 15,839.70 and 9,466.30

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Solution

The fourth proportional to 10,559.80, 15,839.70 and 9,466.30 is: 14,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.80 : 15,839.70 = 9,466.30 : x
  2. Step 2: Convert to fraction form
    10,559.80/15,839.70 = 9,466.30/x
  3. Step 3: Cross multiply
    10,559.80x = 15,839.70 × 9,466.30
  4. Step 4: Simplify right side
    10,559.80x = 149,943,352.11
  5. Step 5: Solve for x
    x = 149,943,352.11/10,559.80
  6. Step 6: Final answer
    x = 14,199.45

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Similar ratio
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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.