Home / 7,004.86-9,666.65-5,220.34

Finding the Fourth Proportional to 7,004.86, 9,666.65 and 5,220.34

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Solution

The fourth proportional to 7,004.86, 9,666.65 and 5,220.34 is: 7,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.86 : 9,666.65 = 5,220.34 : x
  2. Step 2: Convert to fraction form
    7,004.86/9,666.65 = 5,220.34/x
  3. Step 3: Cross multiply
    7,004.86x = 9,666.65 × 5,220.34
  4. Step 4: Simplify right side
    7,004.86x = 50,463,199.66
  5. Step 5: Solve for x
    x = 50,463,199.66/7,004.86
  6. Step 6: Final answer
    x = 7,204.03

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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.