Home / 8,479.48-11,702.28-4,703.01

Finding the Fourth Proportional to 8,479.48, 11,702.28 and 4,703.01

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Solution

The fourth proportional to 8,479.48, 11,702.28 and 4,703.01 is: 6,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.48 : 11,702.28 = 4,703.01 : x
  2. Step 2: Convert to fraction form
    8,479.48/11,702.28 = 4,703.01/x
  3. Step 3: Cross multiply
    8,479.48x = 11,702.28 × 4,703.01
  4. Step 4: Simplify right side
    8,479.48x = 55,035,895.98
  5. Step 5: Solve for x
    x = 55,035,895.98/8,479.48
  6. Step 6: Final answer
    x = 6,490.48

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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.