Home / 10,623.46-15,867.23-9,621.31

Finding the Fourth Proportional to 10,623.46, 15,867.23 and 9,621.31

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Solution

The fourth proportional to 10,623.46, 15,867.23 and 9,621.31 is: 14,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.46 : 15,867.23 = 9,621.31 : x
  2. Step 2: Convert to fraction form
    10,623.46/15,867.23 = 9,621.31/x
  3. Step 3: Cross multiply
    10,623.46x = 15,867.23 × 9,621.31
  4. Step 4: Simplify right side
    10,623.46x = 152,663,538.67
  5. Step 5: Solve for x
    x = 152,663,538.67/10,623.46
  6. Step 6: Final answer
    x = 14,370.42

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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.