Home / 10,972.51-15,152.52-10,374.77

Finding the Fourth Proportional to 10,972.51, 15,152.52 and 10,374.77

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Solution

The fourth proportional to 10,972.51, 15,152.52 and 10,374.77 is: 14,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.51 : 15,152.52 = 10,374.77 : x
  2. Step 2: Convert to fraction form
    10,972.51/15,152.52 = 10,374.77/x
  3. Step 3: Cross multiply
    10,972.51x = 15,152.52 × 10,374.77
  4. Step 4: Simplify right side
    10,972.51x = 157,203,908.90
  5. Step 5: Solve for x
    x = 157,203,908.90/10,972.51
  6. Step 6: Final answer
    x = 14,327.07

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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.