Home / 9,147.04-12,622.87-4,955.29

Finding the Fourth Proportional to 9,147.04, 12,622.87 and 4,955.29

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Solution

The fourth proportional to 9,147.04, 12,622.87 and 4,955.29 is: 6,838.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.04 : 12,622.87 = 4,955.29 : x
  2. Step 2: Convert to fraction form
    9,147.04/12,622.87 = 4,955.29/x
  3. Step 3: Cross multiply
    9,147.04x = 12,622.87 × 4,955.29
  4. Step 4: Simplify right side
    9,147.04x = 62,549,981.48
  5. Step 5: Solve for x
    x = 62,549,981.48/9,147.04
  6. Step 6: Final answer
    x = 6,838.28

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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.