Home / 7,666.23-11,503.70-2,985.63

Finding the Fourth Proportional to 7,666.23, 11,503.70 and 2,985.63

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Solution

The fourth proportional to 7,666.23, 11,503.70 and 2,985.63 is: 4,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.23 : 11,503.70 = 2,985.63 : x
  2. Step 2: Convert to fraction form
    7,666.23/11,503.70 = 2,985.63/x
  3. Step 3: Cross multiply
    7,666.23x = 11,503.70 × 2,985.63
  4. Step 4: Simplify right side
    7,666.23x = 34,345,791.83
  5. Step 5: Solve for x
    x = 34,345,791.83/7,666.23
  6. Step 6: Final answer
    x = 4,480.14

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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.