Home / 7,116.60-9,823.64-5,353.32

Finding the Fourth Proportional to 7,116.60, 9,823.64 and 5,353.32

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Solution

The fourth proportional to 7,116.60, 9,823.64 and 5,353.32 is: 7,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.60 : 9,823.64 = 5,353.32 : x
  2. Step 2: Convert to fraction form
    7,116.60/9,823.64 = 5,353.32/x
  3. Step 3: Cross multiply
    7,116.60x = 9,823.64 × 5,353.32
  4. Step 4: Simplify right side
    7,116.60x = 52,589,088.48
  5. Step 5: Solve for x
    x = 52,589,088.48/7,116.60
  6. Step 6: Final answer
    x = 7,389.64

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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.