Home / 8,762.08-12,091.95-4,783.40

Finding the Fourth Proportional to 8,762.08, 12,091.95 and 4,783.40

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Solution

The fourth proportional to 8,762.08, 12,091.95 and 4,783.40 is: 6,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.08 : 12,091.95 = 4,783.40 : x
  2. Step 2: Convert to fraction form
    8,762.08/12,091.95 = 4,783.40/x
  3. Step 3: Cross multiply
    8,762.08x = 12,091.95 × 4,783.40
  4. Step 4: Simplify right side
    8,762.08x = 57,840,633.63
  5. Step 5: Solve for x
    x = 57,840,633.63/8,762.08
  6. Step 6: Final answer
    x = 6,601.24

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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.