Home / 9,776.36-13,491.63-5,527.58

Finding the Fourth Proportional to 9,776.36, 13,491.63 and 5,527.58

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Solution

The fourth proportional to 9,776.36, 13,491.63 and 5,527.58 is: 7,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.36 : 13,491.63 = 5,527.58 : x
  2. Step 2: Convert to fraction form
    9,776.36/13,491.63 = 5,527.58/x
  3. Step 3: Cross multiply
    9,776.36x = 13,491.63 × 5,527.58
  4. Step 4: Simplify right side
    9,776.36x = 74,575,996.70
  5. Step 5: Solve for x
    x = 74,575,996.70/9,776.36
  6. Step 6: Final answer
    x = 7,628.20

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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.