Home / 10,664.01-14,717.37-7,970.55

Finding the Fourth Proportional to 10,664.01, 14,717.37 and 7,970.55

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Solution

The fourth proportional to 10,664.01, 14,717.37 and 7,970.55 is: 11,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.01 : 14,717.37 = 7,970.55 : x
  2. Step 2: Convert to fraction form
    10,664.01/14,717.37 = 7,970.55/x
  3. Step 3: Cross multiply
    10,664.01x = 14,717.37 × 7,970.55
  4. Step 4: Simplify right side
    10,664.01x = 117,305,533.45
  5. Step 5: Solve for x
    x = 117,305,533.45/10,664.01
  6. Step 6: Final answer
    x = 11,000.13

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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.