Home / 9,390.48-14,016.42-8,283.60

Finding the Fourth Proportional to 9,390.48, 14,016.42 and 8,283.60

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Solution

The fourth proportional to 9,390.48, 14,016.42 and 8,283.60 is: 12,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.48 : 14,016.42 = 8,283.60 : x
  2. Step 2: Convert to fraction form
    9,390.48/14,016.42 = 8,283.60/x
  3. Step 3: Cross multiply
    9,390.48x = 14,016.42 × 8,283.60
  4. Step 4: Simplify right side
    9,390.48x = 116,106,416.71
  5. Step 5: Solve for x
    x = 116,106,416.71/9,390.48
  6. Step 6: Final answer
    x = 12,364.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.