Home / 13,611.47-20,417.40-4,846.16

Finding the Fourth Proportional to 13,611.47, 20,417.40 and 4,846.16

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Solution

The fourth proportional to 13,611.47, 20,417.40 and 4,846.16 is: 7,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611.47 : 20,417.40 = 4,846.16 : x
  2. Step 2: Convert to fraction form
    13,611.47/20,417.40 = 4,846.16/x
  3. Step 3: Cross multiply
    13,611.47x = 20,417.40 × 4,846.16
  4. Step 4: Simplify right side
    13,611.47x = 98,946,038.23
  5. Step 5: Solve for x
    x = 98,946,038.23/13,611.47
  6. Step 6: Final answer
    x = 7,269.32

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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.