Home / 9,269.78-12,792.29-5,292.14

Finding the Fourth Proportional to 9,269.78, 12,792.29 and 5,292.14

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Solution

The fourth proportional to 9,269.78, 12,792.29 and 5,292.14 is: 7,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.78 : 12,792.29 = 5,292.14 : x
  2. Step 2: Convert to fraction form
    9,269.78/12,792.29 = 5,292.14/x
  3. Step 3: Cross multiply
    9,269.78x = 12,792.29 × 5,292.14
  4. Step 4: Simplify right side
    9,269.78x = 67,698,595.12
  5. Step 5: Solve for x
    x = 67,698,595.12/9,269.78
  6. Step 6: Final answer
    x = 7,303.15

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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.