Home / 11,916.04-16,441.74-7,200.58

Finding the Fourth Proportional to 11,916.04, 16,441.74 and 7,200.58

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Solution

The fourth proportional to 11,916.04, 16,441.74 and 7,200.58 is: 9,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.04 : 16,441.74 = 7,200.58 : x
  2. Step 2: Convert to fraction form
    11,916.04/16,441.74 = 7,200.58/x
  3. Step 3: Cross multiply
    11,916.04x = 16,441.74 × 7,200.58
  4. Step 4: Simplify right side
    11,916.04x = 118,390,064.21
  5. Step 5: Solve for x
    x = 118,390,064.21/11,916.04
  6. Step 6: Final answer
    x = 9,935.35

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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.