Home / 9,627.04-13,285.68-5,377.88

Finding the Fourth Proportional to 9,627.04, 13,285.68 and 5,377.88

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Solution

The fourth proportional to 9,627.04, 13,285.68 and 5,377.88 is: 7,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627.04 : 13,285.68 = 5,377.88 : x
  2. Step 2: Convert to fraction form
    9,627.04/13,285.68 = 5,377.88/x
  3. Step 3: Cross multiply
    9,627.04x = 13,285.68 × 5,377.88
  4. Step 4: Simplify right side
    9,627.04x = 71,448,792.76
  5. Step 5: Solve for x
    x = 71,448,792.76/9,627.04
  6. Step 6: Final answer
    x = 7,421.68

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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.