Home / 9,840.87-13,586.81-7,598.79

Finding the Fourth Proportional to 9,840.87, 13,586.81 and 7,598.79

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Solution

The fourth proportional to 9,840.87, 13,586.81 and 7,598.79 is: 10,491.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.87 : 13,586.81 = 7,598.79 : x
  2. Step 2: Convert to fraction form
    9,840.87/13,586.81 = 7,598.79/x
  3. Step 3: Cross multiply
    9,840.87x = 13,586.81 × 7,598.79
  4. Step 4: Simplify right side
    9,840.87x = 103,243,277.97
  5. Step 5: Solve for x
    x = 103,243,277.97/9,840.87
  6. Step 6: Final answer
    x = 10,491.28

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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.