Home / 10,156.48-14,011.04-6,384.32

Finding the Fourth Proportional to 10,156.48, 14,011.04 and 6,384.32

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Solution

The fourth proportional to 10,156.48, 14,011.04 and 6,384.32 is: 8,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.48 : 14,011.04 = 6,384.32 : x
  2. Step 2: Convert to fraction form
    10,156.48/14,011.04 = 6,384.32/x
  3. Step 3: Cross multiply
    10,156.48x = 14,011.04 × 6,384.32
  4. Step 4: Simplify right side
    10,156.48x = 89,450,962.89
  5. Step 5: Solve for x
    x = 89,450,962.89/10,156.48
  6. Step 6: Final answer
    x = 8,807.28

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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.