Home / 9,088.88-12,529.69-6,442.34

Finding the Fourth Proportional to 9,088.88, 12,529.69 and 6,442.34

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Solution

The fourth proportional to 9,088.88, 12,529.69 and 6,442.34 is: 8,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.88 : 12,529.69 = 6,442.34 : x
  2. Step 2: Convert to fraction form
    9,088.88/12,529.69 = 6,442.34/x
  3. Step 3: Cross multiply
    9,088.88x = 12,529.69 × 6,442.34
  4. Step 4: Simplify right side
    9,088.88x = 80,720,444.32
  5. Step 5: Solve for x
    x = 80,720,444.32/9,088.88
  6. Step 6: Final answer
    x = 8,881.24

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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.