Home / 10,328.72-15,487.58-4,088.48

Finding the Fourth Proportional to 10,328.72, 15,487.58 and 4,088.48

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Solution

The fourth proportional to 10,328.72, 15,487.58 and 4,088.48 is: 6,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.72 : 15,487.58 = 4,088.48 : x
  2. Step 2: Convert to fraction form
    10,328.72/15,487.58 = 4,088.48/x
  3. Step 3: Cross multiply
    10,328.72x = 15,487.58 × 4,088.48
  4. Step 4: Simplify right side
    10,328.72x = 63,320,661.08
  5. Step 5: Solve for x
    x = 63,320,661.08/10,328.72
  6. Step 6: Final answer
    x = 6,130.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.