Home / 10,356.76-14,292.60-5,641.34

Finding the Fourth Proportional to 10,356.76, 14,292.60 and 5,641.34

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Solution

The fourth proportional to 10,356.76, 14,292.60 and 5,641.34 is: 7,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.76 : 14,292.60 = 5,641.34 : x
  2. Step 2: Convert to fraction form
    10,356.76/14,292.60 = 5,641.34/x
  3. Step 3: Cross multiply
    10,356.76x = 14,292.60 × 5,641.34
  4. Step 4: Simplify right side
    10,356.76x = 80,629,416.08
  5. Step 5: Solve for x
    x = 80,629,416.08/10,356.76
  6. Step 6: Final answer
    x = 7,785.20

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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.