Home / 7,862.64-10,849.23-4,459.45

Finding the Fourth Proportional to 7,862.64, 10,849.23 and 4,459.45

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Solution

The fourth proportional to 7,862.64, 10,849.23 and 4,459.45 is: 6,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.64 : 10,849.23 = 4,459.45 : x
  2. Step 2: Convert to fraction form
    7,862.64/10,849.23 = 4,459.45/x
  3. Step 3: Cross multiply
    7,862.64x = 10,849.23 × 4,459.45
  4. Step 4: Simplify right side
    7,862.64x = 48,381,598.72
  5. Step 5: Solve for x
    x = 48,381,598.72/7,862.64
  6. Step 6: Final answer
    x = 6,153.35

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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.