Home / 8,973.28-13,455.20-6,888.16

Finding the Fourth Proportional to 8,973.28, 13,455.20 and 6,888.16

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Solution

The fourth proportional to 8,973.28, 13,455.20 and 6,888.16 is: 10,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.28 : 13,455.20 = 6,888.16 : x
  2. Step 2: Convert to fraction form
    8,973.28/13,455.20 = 6,888.16/x
  3. Step 3: Cross multiply
    8,973.28x = 13,455.20 × 6,888.16
  4. Step 4: Simplify right side
    8,973.28x = 92,681,570.43
  5. Step 5: Solve for x
    x = 92,681,570.43/8,973.28
  6. Step 6: Final answer
    x = 10,328.62

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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.