Home / 10,359.32-15,465.13-9,994.82

Finding the Fourth Proportional to 10,359.32, 15,465.13 and 9,994.82

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Solution

The fourth proportional to 10,359.32, 15,465.13 and 9,994.82 is: 14,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.32 : 15,465.13 = 9,994.82 : x
  2. Step 2: Convert to fraction form
    10,359.32/15,465.13 = 9,994.82/x
  3. Step 3: Cross multiply
    10,359.32x = 15,465.13 × 9,994.82
  4. Step 4: Simplify right side
    10,359.32x = 154,571,190.63
  5. Step 5: Solve for x
    x = 154,571,190.63/10,359.32
  6. Step 6: Final answer
    x = 14,920.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.