Home / 10,386.46-15,583.47-4,547.17

Finding the Fourth Proportional to 10,386.46, 15,583.47 and 4,547.17

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Solution

The fourth proportional to 10,386.46, 15,583.47 and 4,547.17 is: 6,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.46 : 15,583.47 = 4,547.17 : x
  2. Step 2: Convert to fraction form
    10,386.46/15,583.47 = 4,547.17/x
  3. Step 3: Cross multiply
    10,386.46x = 15,583.47 × 4,547.17
  4. Step 4: Simplify right side
    10,386.46x = 70,860,687.28
  5. Step 5: Solve for x
    x = 70,860,687.28/10,386.46
  6. Step 6: Final answer
    x = 6,822.41

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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.