Home / 10,904.16-16,363.40-5,977.28

Finding the Fourth Proportional to 10,904.16, 16,363.40 and 5,977.28

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Solution

The fourth proportional to 10,904.16, 16,363.40 and 5,977.28 is: 8,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.16 : 16,363.40 = 5,977.28 : x
  2. Step 2: Convert to fraction form
    10,904.16/16,363.40 = 5,977.28/x
  3. Step 3: Cross multiply
    10,904.16x = 16,363.40 × 5,977.28
  4. Step 4: Simplify right side
    10,904.16x = 97,808,623.55
  5. Step 5: Solve for x
    x = 97,808,623.55/10,904.16
  6. Step 6: Final answer
    x = 8,969.84

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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.