Home / 9,516.81-13,132.41-5,688.36

Finding the Fourth Proportional to 9,516.81, 13,132.41 and 5,688.36

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Solution

The fourth proportional to 9,516.81, 13,132.41 and 5,688.36 is: 7,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.81 : 13,132.41 = 5,688.36 : x
  2. Step 2: Convert to fraction form
    9,516.81/13,132.41 = 5,688.36/x
  3. Step 3: Cross multiply
    9,516.81x = 13,132.41 × 5,688.36
  4. Step 4: Simplify right side
    9,516.81x = 74,701,875.75
  5. Step 5: Solve for x
    x = 74,701,875.75/9,516.81
  6. Step 6: Final answer
    x = 7,849.47

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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.