Home / 7,154.10-9,873.09-4,010.76

Finding the Fourth Proportional to 7,154.10, 9,873.09 and 4,010.76

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Solution

The fourth proportional to 7,154.10, 9,873.09 and 4,010.76 is: 5,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.10 : 9,873.09 = 4,010.76 : x
  2. Step 2: Convert to fraction form
    7,154.10/9,873.09 = 4,010.76/x
  3. Step 3: Cross multiply
    7,154.10x = 9,873.09 × 4,010.76
  4. Step 4: Simplify right side
    7,154.10x = 39,598,594.45
  5. Step 5: Solve for x
    x = 39,598,594.45/7,154.10
  6. Step 6: Final answer
    x = 5,535.09

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Double scale
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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.