Home / 7,875.16-11,808.84-4,589.08

Finding the Fourth Proportional to 7,875.16, 11,808.84 and 4,589.08

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Solution

The fourth proportional to 7,875.16, 11,808.84 and 4,589.08 is: 6,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.16 : 11,808.84 = 4,589.08 : x
  2. Step 2: Convert to fraction form
    7,875.16/11,808.84 = 4,589.08/x
  3. Step 3: Cross multiply
    7,875.16x = 11,808.84 × 4,589.08
  4. Step 4: Simplify right side
    7,875.16x = 54,191,711.47
  5. Step 5: Solve for x
    x = 54,191,711.47/7,875.16
  6. Step 6: Final answer
    x = 6,881.35

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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.