Home / 10,644.90-14,681.58-9,245.22

Finding the Fourth Proportional to 10,644.90, 14,681.58 and 9,245.22

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Solution

The fourth proportional to 10,644.90, 14,681.58 and 9,245.22 is: 12,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.90 : 14,681.58 = 9,245.22 : x
  2. Step 2: Convert to fraction form
    10,644.90/14,681.58 = 9,245.22/x
  3. Step 3: Cross multiply
    10,644.90x = 14,681.58 × 9,245.22
  4. Step 4: Simplify right side
    10,644.90x = 135,734,437.05
  5. Step 5: Solve for x
    x = 135,734,437.05/10,644.90
  6. Step 6: Final answer
    x = 12,751.12

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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.