Home / 12,400.48-17,094.96-8,862.40

Finding the Fourth Proportional to 12,400.48, 17,094.96 and 8,862.40

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Solution

The fourth proportional to 12,400.48, 17,094.96 and 8,862.40 is: 12,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.48 : 17,094.96 = 8,862.40 : x
  2. Step 2: Convert to fraction form
    12,400.48/17,094.96 = 8,862.40/x
  3. Step 3: Cross multiply
    12,400.48x = 17,094.96 × 8,862.40
  4. Step 4: Simplify right side
    12,400.48x = 151,502,373.50
  5. Step 5: Solve for x
    x = 151,502,373.50/12,400.48
  6. Step 6: Final answer
    x = 12,217.46

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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.