Home / 10,356.83-14,292.28-5,641.11

Finding the Fourth Proportional to 10,356.83, 14,292.28 and 5,641.11

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Solution

The fourth proportional to 10,356.83, 14,292.28 and 5,641.11 is: 7,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.83 : 14,292.28 = 5,641.11 : x
  2. Step 2: Convert to fraction form
    10,356.83/14,292.28 = 5,641.11/x
  3. Step 3: Cross multiply
    10,356.83x = 14,292.28 × 5,641.11
  4. Step 4: Simplify right side
    10,356.83x = 80,624,330.68
  5. Step 5: Solve for x
    x = 80,624,330.68/10,356.83
  6. Step 6: Final answer
    x = 7,784.65

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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.