Home / 9,786.90-14,673.02-5,890.40

Finding the Fourth Proportional to 9,786.90, 14,673.02 and 5,890.40

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Solution

The fourth proportional to 9,786.90, 14,673.02 and 5,890.40 is: 8,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.90 : 14,673.02 = 5,890.40 : x
  2. Step 2: Convert to fraction form
    9,786.90/14,673.02 = 5,890.40/x
  3. Step 3: Cross multiply
    9,786.90x = 14,673.02 × 5,890.40
  4. Step 4: Simplify right side
    9,786.90x = 86,429,957.01
  5. Step 5: Solve for x
    x = 86,429,957.01/9,786.90
  6. Step 6: Final answer
    x = 8,831.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.