Home / 9,430.48-13,006.76-6,911.64

Finding the Fourth Proportional to 9,430.48, 13,006.76 and 6,911.64

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Solution

The fourth proportional to 9,430.48, 13,006.76 and 6,911.64 is: 9,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.48 : 13,006.76 = 6,911.64 : x
  2. Step 2: Convert to fraction form
    9,430.48/13,006.76 = 6,911.64/x
  3. Step 3: Cross multiply
    9,430.48x = 13,006.76 × 6,911.64
  4. Step 4: Simplify right side
    9,430.48x = 89,898,042.69
  5. Step 5: Solve for x
    x = 89,898,042.69/9,430.48
  6. Step 6: Final answer
    x = 9,532.71

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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.