Home / 8,704.08-12,017.07-5,875.20

Finding the Fourth Proportional to 8,704.08, 12,017.07 and 5,875.20

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Solution

The fourth proportional to 8,704.08, 12,017.07 and 5,875.20 is: 8,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.08 : 12,017.07 = 5,875.20 : x
  2. Step 2: Convert to fraction form
    8,704.08/12,017.07 = 5,875.20/x
  3. Step 3: Cross multiply
    8,704.08x = 12,017.07 × 5,875.20
  4. Step 4: Simplify right side
    8,704.08x = 70,602,689.66
  5. Step 5: Solve for x
    x = 70,602,689.66/8,704.08
  6. Step 6: Final answer
    x = 8,111.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.