Home / 8,513.11-11,746.35-4,975.63

Finding the Fourth Proportional to 8,513.11, 11,746.35 and 4,975.63

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Solution

The fourth proportional to 8,513.11, 11,746.35 and 4,975.63 is: 6,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.11 : 11,746.35 = 4,975.63 : x
  2. Step 2: Convert to fraction form
    8,513.11/11,746.35 = 4,975.63/x
  3. Step 3: Cross multiply
    8,513.11x = 11,746.35 × 4,975.63
  4. Step 4: Simplify right side
    8,513.11x = 58,445,491.45
  5. Step 5: Solve for x
    x = 58,445,491.45/8,513.11
  6. Step 6: Final answer
    x = 6,865.35

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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.