Home / 11,810.19-16,298.07-6,505.00

Finding the Fourth Proportional to 11,810.19, 16,298.07 and 6,505.00

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Solution

The fourth proportional to 11,810.19, 16,298.07 and 6,505.00 is: 8,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.19 : 16,298.07 = 6,505.00 : x
  2. Step 2: Convert to fraction form
    11,810.19/16,298.07 = 6,505.00/x
  3. Step 3: Cross multiply
    11,810.19x = 16,298.07 × 6,505.00
  4. Step 4: Simplify right side
    11,810.19x = 106,018,831.33
  5. Step 5: Solve for x
    x = 106,018,831.33/11,810.19
  6. Step 6: Final answer
    x = 8,976.89

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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.