Home / 10,485.36-14,470.20-6,009.12

Finding the Fourth Proportional to 10,485.36, 14,470.20 and 6,009.12

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Solution

The fourth proportional to 10,485.36, 14,470.20 and 6,009.12 is: 8,292.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.36 : 14,470.20 = 6,009.12 : x
  2. Step 2: Convert to fraction form
    10,485.36/14,470.20 = 6,009.12/x
  3. Step 3: Cross multiply
    10,485.36x = 14,470.20 × 6,009.12
  4. Step 4: Simplify right side
    10,485.36x = 86,953,168.22
  5. Step 5: Solve for x
    x = 86,953,168.22/10,485.36
  6. Step 6: Final answer
    x = 8,292.82

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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.