Home / 9,140.10-12,613.34-4,948.34

Finding the Fourth Proportional to 9,140.10, 12,613.34 and 4,948.34

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Solution

The fourth proportional to 9,140.10, 12,613.34 and 4,948.34 is: 6,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.10 : 12,613.34 = 4,948.34 : x
  2. Step 2: Convert to fraction form
    9,140.10/12,613.34 = 4,948.34/x
  3. Step 3: Cross multiply
    9,140.10x = 12,613.34 × 4,948.34
  4. Step 4: Simplify right side
    9,140.10x = 62,415,094.86
  5. Step 5: Solve for x
    x = 62,415,094.86/9,140.10
  6. Step 6: Final answer
    x = 6,828.71

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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.