Home / 10,579.12-14,598.84-6,386.64

Finding the Fourth Proportional to 10,579.12, 14,598.84 and 6,386.64

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Solution

The fourth proportional to 10,579.12, 14,598.84 and 6,386.64 is: 8,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.12 : 14,598.84 = 6,386.64 : x
  2. Step 2: Convert to fraction form
    10,579.12/14,598.84 = 6,386.64/x
  3. Step 3: Cross multiply
    10,579.12x = 14,598.84 × 6,386.64
  4. Step 4: Simplify right side
    10,579.12x = 93,237,535.50
  5. Step 5: Solve for x
    x = 93,237,535.50/10,579.12
  6. Step 6: Final answer
    x = 8,813.35

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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.