Home / 7,154.46-9,868.23-4,355.10

Finding the Fourth Proportional to 7,154.46, 9,868.23 and 4,355.10

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Solution

The fourth proportional to 7,154.46, 9,868.23 and 4,355.10 is: 6,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.46 : 9,868.23 = 4,355.10 : x
  2. Step 2: Convert to fraction form
    7,154.46/9,868.23 = 4,355.10/x
  3. Step 3: Cross multiply
    7,154.46x = 9,868.23 × 4,355.10
  4. Step 4: Simplify right side
    7,154.46x = 42,977,128.47
  5. Step 5: Solve for x
    x = 42,977,128.47/7,154.46
  6. Step 6: Final answer
    x = 6,007.04

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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.