Home / 8,888.03-12,271.23-5,532.20

Finding the Fourth Proportional to 8,888.03, 12,271.23 and 5,532.20

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Solution

The fourth proportional to 8,888.03, 12,271.23 and 5,532.20 is: 7,638.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.03 : 12,271.23 = 5,532.20 : x
  2. Step 2: Convert to fraction form
    8,888.03/12,271.23 = 5,532.20/x
  3. Step 3: Cross multiply
    8,888.03x = 12,271.23 × 5,532.20
  4. Step 4: Simplify right side
    8,888.03x = 67,886,837.25
  5. Step 5: Solve for x
    x = 67,886,837.25/8,888.03
  6. Step 6: Final answer
    x = 7,638.01

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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.