Home / 9,783.18-14,595.44-8,980.37

Finding the Fourth Proportional to 9,783.18, 14,595.44 and 8,980.37

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Solution

The fourth proportional to 9,783.18, 14,595.44 and 8,980.37 is: 13,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.18 : 14,595.44 = 8,980.37 : x
  2. Step 2: Convert to fraction form
    9,783.18/14,595.44 = 8,980.37/x
  3. Step 3: Cross multiply
    9,783.18x = 14,595.44 × 8,980.37
  4. Step 4: Simplify right side
    9,783.18x = 131,072,438.88
  5. Step 5: Solve for x
    x = 131,072,438.88/9,783.18
  6. Step 6: Final answer
    x = 13,397.73

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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.