Home / 10,820.02-14,931.81-6,346.99

Finding the Fourth Proportional to 10,820.02, 14,931.81 and 6,346.99

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Solution

The fourth proportional to 10,820.02, 14,931.81 and 6,346.99 is: 8,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.02 : 14,931.81 = 6,346.99 : x
  2. Step 2: Convert to fraction form
    10,820.02/14,931.81 = 6,346.99/x
  3. Step 3: Cross multiply
    10,820.02x = 14,931.81 × 6,346.99
  4. Step 4: Simplify right side
    10,820.02x = 94,772,048.75
  5. Step 5: Solve for x
    x = 94,772,048.75/10,820.02
  6. Step 6: Final answer
    x = 8,758.96

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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.