Home / 8,783.64-12,117.60-5,595.24

Finding the Fourth Proportional to 8,783.64, 12,117.60 and 5,595.24

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Solution

The fourth proportional to 8,783.64, 12,117.60 and 5,595.24 is: 7,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.64 : 12,117.60 = 5,595.24 : x
  2. Step 2: Convert to fraction form
    8,783.64/12,117.60 = 5,595.24/x
  3. Step 3: Cross multiply
    8,783.64x = 12,117.60 × 5,595.24
  4. Step 4: Simplify right side
    8,783.64x = 67,800,880.22
  5. Step 5: Solve for x
    x = 67,800,880.22/8,783.64
  6. Step 6: Final answer
    x = 7,719.00

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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.