Home / 10,132.08-15,203.16-5,686.98

Finding the Fourth Proportional to 10,132.08, 15,203.16 and 5,686.98

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Solution

The fourth proportional to 10,132.08, 15,203.16 and 5,686.98 is: 8,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.08 : 15,203.16 = 5,686.98 : x
  2. Step 2: Convert to fraction form
    10,132.08/15,203.16 = 5,686.98/x
  3. Step 3: Cross multiply
    10,132.08x = 15,203.16 × 5,686.98
  4. Step 4: Simplify right side
    10,132.08x = 86,460,066.86
  5. Step 5: Solve for x
    x = 86,460,066.86/10,132.08
  6. Step 6: Final answer
    x = 8,533.30

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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.