Home / 8,276.16-11,430.88-6,374.24

Finding the Fourth Proportional to 8,276.16, 11,430.88 and 6,374.24

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Solution

The fourth proportional to 8,276.16, 11,430.88 and 6,374.24 is: 8,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.16 : 11,430.88 = 6,374.24 : x
  2. Step 2: Convert to fraction form
    8,276.16/11,430.88 = 6,374.24/x
  3. Step 3: Cross multiply
    8,276.16x = 11,430.88 × 6,374.24
  4. Step 4: Simplify right side
    8,276.16x = 72,863,172.53
  5. Step 5: Solve for x
    x = 72,863,172.53/8,276.16
  6. Step 6: Final answer
    x = 8,803.98

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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.