Home / 9,479.48-13,088.61-6,124.28

Finding the Fourth Proportional to 9,479.48, 13,088.61 and 6,124.28

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Solution

The fourth proportional to 9,479.48, 13,088.61 and 6,124.28 is: 8,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.48 : 13,088.61 = 6,124.28 : x
  2. Step 2: Convert to fraction form
    9,479.48/13,088.61 = 6,124.28/x
  3. Step 3: Cross multiply
    9,479.48x = 13,088.61 × 6,124.28
  4. Step 4: Simplify right side
    9,479.48x = 80,158,247.01
  5. Step 5: Solve for x
    x = 80,158,247.01/9,479.48
  6. Step 6: Final answer
    x = 8,455.98

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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.