Home / 10,845.04-14,966.16-6,129.28

Finding the Fourth Proportional to 10,845.04, 14,966.16 and 6,129.28

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Solution

The fourth proportional to 10,845.04, 14,966.16 and 6,129.28 is: 8,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.04 : 14,966.16 = 6,129.28 : x
  2. Step 2: Convert to fraction form
    10,845.04/14,966.16 = 6,129.28/x
  3. Step 3: Cross multiply
    10,845.04x = 14,966.16 × 6,129.28
  4. Step 4: Simplify right side
    10,845.04x = 91,731,785.16
  5. Step 5: Solve for x
    x = 91,731,785.16/10,845.04
  6. Step 6: Final answer
    x = 8,458.41

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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.