Home / 8,376.35-11,554.14-5,387.00

Finding the Fourth Proportional to 8,376.35, 11,554.14 and 5,387.00

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Solution

The fourth proportional to 8,376.35, 11,554.14 and 5,387.00 is: 7,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.35 : 11,554.14 = 5,387.00 : x
  2. Step 2: Convert to fraction form
    8,376.35/11,554.14 = 5,387.00/x
  3. Step 3: Cross multiply
    8,376.35x = 11,554.14 × 5,387.00
  4. Step 4: Simplify right side
    8,376.35x = 62,242,094.41
  5. Step 5: Solve for x
    x = 62,242,094.41/8,376.35
  6. Step 6: Final answer
    x = 7,430.70

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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.