Home / 10,816.40-14,929.32-6,567.92

Finding the Fourth Proportional to 10,816.40, 14,929.32 and 6,567.92

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Solution

The fourth proportional to 10,816.40, 14,929.32 and 6,567.92 is: 9,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.40 : 14,929.32 = 6,567.92 : x
  2. Step 2: Convert to fraction form
    10,816.40/14,929.32 = 6,567.92/x
  3. Step 3: Cross multiply
    10,816.40x = 14,929.32 × 6,567.92
  4. Step 4: Simplify right side
    10,816.40x = 98,054,579.41
  5. Step 5: Solve for x
    x = 98,054,579.41/10,816.40
  6. Step 6: Final answer
    x = 9,065.36

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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.