Home / 10,784.40-14,880.60-6,068.88

Finding the Fourth Proportional to 10,784.40, 14,880.60 and 6,068.88

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Solution

The fourth proportional to 10,784.40, 14,880.60 and 6,068.88 is: 8,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.40 : 14,880.60 = 6,068.88 : x
  2. Step 2: Convert to fraction form
    10,784.40/14,880.60 = 6,068.88/x
  3. Step 3: Cross multiply
    10,784.40x = 14,880.60 × 6,068.88
  4. Step 4: Simplify right side
    10,784.40x = 90,308,575.73
  5. Step 5: Solve for x
    x = 90,308,575.73/10,784.40
  6. Step 6: Final answer
    x = 8,374.00

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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.