Home / 8,411.76-11,607.40-4,875.92

Finding the Fourth Proportional to 8,411.76, 11,607.40 and 4,875.92

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Solution

The fourth proportional to 8,411.76, 11,607.40 and 4,875.92 is: 6,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.76 : 11,607.40 = 4,875.92 : x
  2. Step 2: Convert to fraction form
    8,411.76/11,607.40 = 4,875.92/x
  3. Step 3: Cross multiply
    8,411.76x = 11,607.40 × 4,875.92
  4. Step 4: Simplify right side
    8,411.76x = 56,596,753.81
  5. Step 5: Solve for x
    x = 56,596,753.81/8,411.76
  6. Step 6: Final answer
    x = 6,728.29

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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.