Home / 9,916.08-13,683.51-5,439.73

Finding the Fourth Proportional to 9,916.08, 13,683.51 and 5,439.73

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Solution

The fourth proportional to 9,916.08, 13,683.51 and 5,439.73 is: 7,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.08 : 13,683.51 = 5,439.73 : x
  2. Step 2: Convert to fraction form
    9,916.08/13,683.51 = 5,439.73/x
  3. Step 3: Cross multiply
    9,916.08x = 13,683.51 × 5,439.73
  4. Step 4: Simplify right side
    9,916.08x = 74,434,599.85
  5. Step 5: Solve for x
    x = 74,434,599.85/9,916.08
  6. Step 6: Final answer
    x = 7,506.45

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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.