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Finding the Fourth Proportional to 10,463.04, 15,668.64 and 8,830.08

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Solution

The fourth proportional to 10,463.04, 15,668.64 and 8,830.08 is: 13,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.04 : 15,668.64 = 8,830.08 : x
  2. Step 2: Convert to fraction form
    10,463.04/15,668.64 = 8,830.08/x
  3. Step 3: Cross multiply
    10,463.04x = 15,668.64 × 8,830.08
  4. Step 4: Simplify right side
    10,463.04x = 138,355,344.69
  5. Step 5: Solve for x
    x = 138,355,344.69/10,463.04
  6. Step 6: Final answer
    x = 13,223.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.