Home / 11,356.64-15,670.21-10,437.98

Finding the Fourth Proportional to 11,356.64, 15,670.21 and 10,437.98

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Solution

The fourth proportional to 11,356.64, 15,670.21 and 10,437.98 is: 14,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.64 : 15,670.21 = 10,437.98 : x
  2. Step 2: Convert to fraction form
    11,356.64/15,670.21 = 10,437.98/x
  3. Step 3: Cross multiply
    11,356.64x = 15,670.21 × 10,437.98
  4. Step 4: Simplify right side
    11,356.64x = 163,565,351.66
  5. Step 5: Solve for x
    x = 163,565,351.66/11,356.64
  6. Step 6: Final answer
    x = 14,402.62

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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.