Home / 9,070.43-12,516.34-5,090.77

Finding the Fourth Proportional to 9,070.43, 12,516.34 and 5,090.77

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Solution

The fourth proportional to 9,070.43, 12,516.34 and 5,090.77 is: 7,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.43 : 12,516.34 = 5,090.77 : x
  2. Step 2: Convert to fraction form
    9,070.43/12,516.34 = 5,090.77/x
  3. Step 3: Cross multiply
    9,070.43x = 12,516.34 × 5,090.77
  4. Step 4: Simplify right side
    9,070.43x = 63,717,720.15
  5. Step 5: Solve for x
    x = 63,717,720.15/9,070.43
  6. Step 6: Final answer
    x = 7,024.77

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Half scale
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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.