Home / 9,857.12-13,599.56-6,501.60

Finding the Fourth Proportional to 9,857.12, 13,599.56 and 6,501.60

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Solution

The fourth proportional to 9,857.12, 13,599.56 and 6,501.60 is: 8,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.12 : 13,599.56 = 6,501.60 : x
  2. Step 2: Convert to fraction form
    9,857.12/13,599.56 = 6,501.60/x
  3. Step 3: Cross multiply
    9,857.12x = 13,599.56 × 6,501.60
  4. Step 4: Simplify right side
    9,857.12x = 88,418,915.55
  5. Step 5: Solve for x
    x = 88,418,915.55/9,857.12
  6. Step 6: Final answer
    x = 8,970.06

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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.