Home / 10,685.40-16,017.30-4,846.20

Finding the Fourth Proportional to 10,685.40, 16,017.30 and 4,846.20

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Solution

The fourth proportional to 10,685.40, 16,017.30 and 4,846.20 is: 7,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.40 : 16,017.30 = 4,846.20 : x
  2. Step 2: Convert to fraction form
    10,685.40/16,017.30 = 4,846.20/x
  3. Step 3: Cross multiply
    10,685.40x = 16,017.30 × 4,846.20
  4. Step 4: Simplify right side
    10,685.40x = 77,623,039.26
  5. Step 5: Solve for x
    x = 77,623,039.26/10,685.40
  6. Step 6: Final answer
    x = 7,264.40

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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.