Home / 9,784.02-13,501.58-5,307.62

Finding the Fourth Proportional to 9,784.02, 13,501.58 and 5,307.62

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Solution

The fourth proportional to 9,784.02, 13,501.58 and 5,307.62 is: 7,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784.02 : 13,501.58 = 5,307.62 : x
  2. Step 2: Convert to fraction form
    9,784.02/13,501.58 = 5,307.62/x
  3. Step 3: Cross multiply
    9,784.02x = 13,501.58 × 5,307.62
  4. Step 4: Simplify right side
    9,784.02x = 71,661,161.99
  5. Step 5: Solve for x
    x = 71,661,161.99/9,784.02
  6. Step 6: Final answer
    x = 7,324.31

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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.