Home / 7,106.34-9,812.91-4,458.30

Finding the Fourth Proportional to 7,106.34, 9,812.91 and 4,458.30

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Solution

The fourth proportional to 7,106.34, 9,812.91 and 4,458.30 is: 6,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.34 : 9,812.91 = 4,458.30 : x
  2. Step 2: Convert to fraction form
    7,106.34/9,812.91 = 4,458.30/x
  3. Step 3: Cross multiply
    7,106.34x = 9,812.91 × 4,458.30
  4. Step 4: Simplify right side
    7,106.34x = 43,748,896.65
  5. Step 5: Solve for x
    x = 43,748,896.65/7,106.34
  6. Step 6: Final answer
    x = 6,156.32

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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.