Home / 8,798.18-12,143.21-5,213.93

Finding the Fourth Proportional to 8,798.18, 12,143.21 and 5,213.93

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Solution

The fourth proportional to 8,798.18, 12,143.21 and 5,213.93 is: 7,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.18 : 12,143.21 = 5,213.93 : x
  2. Step 2: Convert to fraction form
    8,798.18/12,143.21 = 5,213.93/x
  3. Step 3: Cross multiply
    8,798.18x = 12,143.21 × 5,213.93
  4. Step 4: Simplify right side
    8,798.18x = 63,313,851.20
  5. Step 5: Solve for x
    x = 63,313,851.20/8,798.18
  6. Step 6: Final answer
    x = 7,196.24

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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.