Home / 9,771.74-13,485.12-5,295.56

Finding the Fourth Proportional to 9,771.74, 13,485.12 and 5,295.56

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Solution

The fourth proportional to 9,771.74, 13,485.12 and 5,295.56 is: 7,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771.74 : 13,485.12 = 5,295.56 : x
  2. Step 2: Convert to fraction form
    9,771.74/13,485.12 = 5,295.56/x
  3. Step 3: Cross multiply
    9,771.74x = 13,485.12 × 5,295.56
  4. Step 4: Simplify right side
    9,771.74x = 71,411,262.07
  5. Step 5: Solve for x
    x = 71,411,262.07/9,771.74
  6. Step 6: Final answer
    x = 7,307.94

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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.