Home / 10,973.64-16,421.58-9,677.64

Finding the Fourth Proportional to 10,973.64, 16,421.58 and 9,677.64

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Solution

The fourth proportional to 10,973.64, 16,421.58 and 9,677.64 is: 14,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.64 : 16,421.58 = 9,677.64 : x
  2. Step 2: Convert to fraction form
    10,973.64/16,421.58 = 9,677.64/x
  3. Step 3: Cross multiply
    10,973.64x = 16,421.58 × 9,677.64
  4. Step 4: Simplify right side
    10,973.64x = 158,922,139.47
  5. Step 5: Solve for x
    x = 158,922,139.47/10,973.64
  6. Step 6: Final answer
    x = 14,482.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.