Home / 10,931.04-16,406.10-6,260.40

Finding the Fourth Proportional to 10,931.04, 16,406.10 and 6,260.40

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Solution

The fourth proportional to 10,931.04, 16,406.10 and 6,260.40 is: 9,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.04 : 16,406.10 = 6,260.40 : x
  2. Step 2: Convert to fraction form
    10,931.04/16,406.10 = 6,260.40/x
  3. Step 3: Cross multiply
    10,931.04x = 16,406.10 × 6,260.40
  4. Step 4: Simplify right side
    10,931.04x = 102,708,748.44
  5. Step 5: Solve for x
    x = 102,708,748.44/10,931.04
  6. Step 6: Final answer
    x = 9,396.06

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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.