Home / 7,153.76-9,873.36-4,010.72

Finding the Fourth Proportional to 7,153.76, 9,873.36 and 4,010.72

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Solution

The fourth proportional to 7,153.76, 9,873.36 and 4,010.72 is: 5,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.76 : 9,873.36 = 4,010.72 : x
  2. Step 2: Convert to fraction form
    7,153.76/9,873.36 = 4,010.72/x
  3. Step 3: Cross multiply
    7,153.76x = 9,873.36 × 4,010.72
  4. Step 4: Simplify right side
    7,153.76x = 39,599,282.42
  5. Step 5: Solve for x
    x = 39,599,282.42/7,153.76
  6. Step 6: Final answer
    x = 5,535.45

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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.